집합 연산자(UNION, UNION ALL, INTERSECT, MINUS) 사용 예제

제품 : ORACLE SERVER
작성날짜 : 2002-04-12
집합 연산자(UNION, UNION ALL, INTERSECT, MINUS) 사용 예제
=========================================================
Purpose
집합 연산자인 union, union all, intersect, minus 의 사용방법을 알아보자.
Explanation
오라클에서 사용할 수 있는 집합 연산자는 union, union all, intersect,
minus 가 있다.
아래의 table은 예제에서 사용될 테이블이다.
SQL> select * from dept_a;
DEPTNO DNAME LOC
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
50 RND SEOUL
SQL> select * from dept_b;
DEPTNO DNAME LOC
20 RESEARCH DALLAS
30 SALES CHICAGO
60 FNA SEOUL
1. UNION Operator
union은 두 테이블의 자료를 하나의 결과로 가져올 때,
중복된 row가 있을 경우 하나의 row만을 return한다..
select 문 절에 사용하는 distinct 와 같은 효과로 생각할 수 있다.
SQL> select deptno, dname from dept_a
2 union
3 select deptno, dname from dept_b;
DEPTNO DNAME
10 ACCOUNTING
20 RESEARCH
30 SALES
40 OPERATIONS
50 RND
60 FNA
6 rows selected.
2. UNION ALL Operator
union all 은 union이 distinct 를 사용할 때와 달리 중복된
결과를 모두 return한다. 즉, 결과로 나오는 모든 row를 보여주게 된다.
SQL> select deptno, dname from dept_a
2 union all
3 select deptno, dname from dept_b;
DEPTNO DNAME
10 ACCOUNTING
20 RESEARCH
30 SALES
40 OPERATIONS
50 RND
20 RESEARCH
30 SALES
60 FNA
8 rows selected.
3. INTERSECT Operator
intersect 는 두 테이블의 결과중에 겹치는 row만을 return한다.
즉, 교집합된 결과로 생각할 수 있다.
SQL> select deptno, dname from dept_a
2 intersect
3 select deptno, dname from dept_b;
DEPTNO DNAME
20 RESEARCH
30 SALES
4. MINUS Operator
minus operator는 첫번째 테이블에서 두번째 테이블의 데이터를
제외한 나머지 row만 return한다.
SQL> select deptno, dname from dept_a
2 minus
3 select deptno, dname from dept_b;
DEPTNO DNAME
10 ACCOUNTING
40 OPERATIONS
50 RND

Definitely a bug:
SQL> ALTER SESSION SET NLS_SORT=BINARY_CI
  2  /
Session altered.
SQL> ALTER SESSION SET NLS_COMP=LINGUISTIC
  2  /
Session altered.
SQL> with utbl as (
  2                select  chr(ascii('A') + level - 1) letter
  3                  from  dual
  4                  connect by level < 27
  5               ),
  6       ltbl as (
  7                select  chr(ascii('a') + level - 1) letter
  8                  from  dual
  9                  connect by level < 27
10               )
11   select  letter
12     from  utbl
13  minus
14   select  letter
15     from  ltbl
16  /
L
A
B
C
D
E
F
G
H
I
J
K
L
L
M
N
O
P
Q
R
S
T
U
V
L
W
X
Y
Z
26 rows selected.
SQL> with utbl as (
  2                select  chr(ascii('A') + level - 1) letter
  3                  from  dual
  4                  connect by level < 27
  5               ),
  6       ltbl as (
  7                select  chr(ascii('a') + level - 1) letter
  8                  from  dual
  9                  connect by level < 27
10               )
11  select * from (
12   select  letter
13     from  utbl
14  minus
15   select  letter
16     from  ltbl
17  )
18  /
no rows selected
SQL> SY.

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      7  select 3 if from dual
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             4
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             1
             2
             3
             4
             5
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    2                      Table1 val:2                                                                                        
    3                      Table1 val:3                                                                                        
    4                      Table1 val:4                                                                                        
    5                      Table1 val:5                                                                                        
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    ID                             YES       YES        YES      
    VAL                            YES       YES        YES      
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    ID                     VAL                                                                                                 
    0                      Table1 val:0                                                                                        
    2                      Table1 val:2                                                                                        
    3                      XXX changed                                                                                         
    4                      Table1 val:4                                                                                        
    5                      Table1 val:5                                                                                        
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    ID                     VAL                                                                                                 
    0                      Table1 val:0                                                                                        
    2                      Table1 val:2                                                                                        
    3                      Table1 val:3                                                                                        
    4                      Table1 val:4                                                                                        
    5                      Table1 val:5                                                                                        
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    ID                     VAL                                                                                                 
    0                      Table1 val:0                                                                                        
    2                      Table1 val:2                                                                                        
    3                      Table1 val:3                                                                                        
    4                      Table1 val:4                                                                                        
    5                      Table1 val:5                                                                                        
    10                     Table2 val:10                                                                                       
    12                     Table2 val:12                                                                                       
    13                     Table2 val:13                                                                                       
    14                     Table2 val:14                                                                                       
    15                     Table2 val:15  
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    from user_updatable_columns
    where table_name = 'V_TABLE_ALL'
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    ID                             NO        NO         NO       
    VAL                            NO        NO         NO       
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    SQL-Fehler: ORA-01732: Datenmanipulationsoperation auf dieser View nicht zulässig
    01732. 00000 -  "data manipulation operation not legal on this view"
    *Cause:   
    *Action:
    drop view v_table_all;
    view V_TABLE_ALL dropped.all is ok before this point.
    now we want create a new materialized view with some query
    create  materialized view v_table_all
    as
    select * from table_1
    union all select * from table_2 ;
    materialized view V_TABLE_ALL created.
    select column_name, updatable, insertable, deletable
    from user_updatable_columns
    where table_name = 'V_TABLE_ALL'
    COLUMN_NAME                    UPDATABLE INSERTABLE DELETABLE
    ID                             YES       YES        YES      
    VAL                            YES       YES        YES       it seems to be ok with update.
    but...
    update v_table_all set val='XXX changed' where id = 3;
    SQL-Fehler: ORA-01732: Datenmanipulationsoperation auf dieser View nicht zulässig
    01732. 00000 -  "data manipulation operation not legal on this view"
    *Cause:   
    *Action:How can solve this issue??
    Any suggestion

    Looks like user_updatable_columns sort of thinks the MV is just a table - I don't know about that...
    An MV on a single table can be updated - I tried that and it works:
    create materialized view mv_table_1 for update
    as
    select * from table_1;I noticed [url http://download.oracle.com/docs/cd/E11882_01/server.112/e16579/advmv.htm#sthref294]examples stating the UNION ALL needs a "marker" so Oracle can know from the data which source table a row in the MV originates from - like this:
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    as
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    union all
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    <li>Create the MV.
    <li>Update records in the MV - which then is no longer consistent with the source data.
    <li>Schedule a complete refresh once in a while - thereby overwriting/losing the updates in the MV.
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    <li>Create table t_table_all as select ... .
    <li>Update records in the table - which then is no longer consistent with the source data.
    <li>Schedule a job to delete table and insert into table select ... once in a while - thereby overwriting/losing the updates in the table.
    In other words a kind of "do it yourself MV".
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  • Help required on UNION ALL for select query

    Hello all,
    The execution plan for an SQL is impacted when another SELECT is concatenated with a UNION ALL. The two SELECTS are very efficient when run separately (< 100 buffer gets), but when run together (using a UNION ALL), the execution plan changes (for the first SELECT) and the buffer gets jumps to over 45000!
    what customer says with the UNION ALL, Oracle instead of doing a Merge Scan (that allows the inner table to filter out the rows from the outer table), chooses to do a NL join. This results in a Unique Index scan for each one of the 15000 rows in the outer table, resulting in 46000 consistent gets.
    Can you please suggest customer why plan changes when they use UNION ALL &  also suggest better way of running query.
    Please refer to below explain plan .
    WITH THE UNIONS
    ===============
      1  SELECT  count(*)
      2     FROM SOC_LIST SOC
      3     WHERE
      4       ( EXISTS(  SELECT  1
      5               FROM    ELIGIBILITY_RELATION
      6               WHERE   SRC_CODE = 'SHDMM4215'
      7                    AND   DEST_CODE = SOC.SOC
      8                 AND   SRC_TYPE = 'P'
      9                 AND   DEST_TYPE = 'S'))
    10  UNION ALL
    11   SELECT count(*)
    12     FROM SOC_LIST SOC
    13*    WHERE        ( = 'Y')
    12:25:39 SQL> /
      COUNT(*)                                                                                                                                           
           153                                                                                                                                           
             0                                                                                                                                           
    Execution Plan
       0      SELECT STATEMENT Optimizer=CHOOSE (Cost=31 Card=2 Bytes=10)                                                                                
       1    0   UNION-ALL                                                                                                                                
       2    1     SORT (AGGREGATE)                                                                                                                       
       3    2       FILTER                                                                                                                               
       4    3         TABLE ACCESS (FULL) OF 'SOC_LIST' (Cost=15 Card=749                                                                                
              Bytes=7490)                                                                                                                                
       5    3         PARTITION HASH (SINGLE)                                                                                                            
       6    5           INDEX (UNIQUE SCAN) OF 'ELIGIBILITY_RELATION_PK' (                                                                               
              UNIQUE) (Cost=2 Card=1 Bytes=24)                                                                                                           
       7    1     SORT (AGGREGATE)                                                                                                                       
       8    7       FILTER                                                                                                                               
       9    8         TABLE ACCESS (FULL) OF 'SOC_LIST' (Cost=15 Card=1497                                                                               
              8)                                                                                                                                         
    Statistics
              0  recursive calls                                                                                                                         
              0  db block gets                                                                                                                           
          46712  consistent gets         <------large number                                                                                                                 
              0  physical reads                                                                                                                          
              0  redo size                                                                                                                               
            215  bytes sent via SQL*Net to client                                                                                                        
            241  bytes received via SQL*Net from client                                                                                                  
              2  SQL*Net roundtrips to/from client                                                                                                       
              0  sorts (memory)                                                                                                                          
              0  sorts (disk)                                                                                                                            
              2  rows processed                                                                                                                          
    12:25:40 SQL> ed
    Wrote file C:/PADDY/AFIEDT.BUF
    PART 1 of the UNION ALL
    ========================
      1  SELECT  count(*)
      2     FROM SOC_LIST SOC
      3     WHERE
      4       ( EXISTS(  SELECT  1
      5               FROM    ELIGIBILITY_RELATION
      6               WHERE   SRC_CODE = 'SHDMM4215'
      7                    AND   DEST_CODE = SOC.SOC
      8                 AND   SRC_TYPE = 'P'
      9*                AND   DEST_TYPE = 'S'))
    12:25:54 SQL> /
      COUNT(*)                                                                                                                                           
           153                                                                                                                                           
    Execution Plan
       0      SELECT STATEMENT Optimizer=CHOOSE (Cost=4 Card=1 Bytes=34)                                                                                 
       1    0   SORT (AGGREGATE)                                                                                                                         
       2    1     MERGE JOIN (SEMI) (Cost=4 Card=149 Bytes=5066)                                                                                         
       3    2       INDEX (FULL SCAN) OF 'SOC_LIST_1IX' (NON-UNIQUE) (Cost                                                                               
              =41 Card=14978 Bytes=149780)                                                                                                               
       4    2       SORT (UNIQUE) (Cost=3 Card=149 Bytes=3576)                                                                                           
       5    4         PARTITION HASH (ALL)                                                                                                               
       6    5           INDEX (RANGE SCAN) OF 'ELIGIBILITY_RELATION_PK' (U                                                                               
              NIQUE) (Cost=10 Card=149 Bytes=3576)                                                                                                       
    Statistics
              0  recursive calls                                                                                                                         
              0  db block gets                                                                                                                           
             56  consistent gets                                                                                                                         
              0  physical reads                                                                                                                          
              0  redo size                                                                                                                               
            218  bytes sent via SQL*Net to client                                                                                                        
            241  bytes received via SQL*Net from client                                                                                                  
              2  SQL*Net roundtrips to/from client                                                                                                       
              1  sorts (memory)                                                                                                                          
              0  sorts (disk)                                                                                                                            
              1  rows processed                                                                                                                          
    12:25:55 SQL> ed
    Wrote file C:/PADDY/AFIEDT.BUF
    PART 2 of the UNION ALL
    ========================
      1   SELECT count(*)
      2     FROM SOC_LIST SOC
      3*    WHERE        ( = 'Y')
    12:26:15 SQL> /
      COUNT(*)                                                                                                                                           
             0                                                                                                                                           
    Execution Plan
       0      SELECT STATEMENT Optimizer=CHOOSE (Cost=15 Card=1)                                                                                         
       1    0   SORT (AGGREGATE)                                                                                                                         
       2    1     FILTER                                                                                                                                 
       3    2       TABLE ACCESS (FULL) OF 'SOC_LIST' (Cost=15 Card=14978)                                                                               
    Statistics
              0  recursive calls                                                                                                                         
              0  db block gets                                                                                                                           
              0  consistent gets                                                                                                                         
              0  physical reads                                                                                                                          
              0  redo size                                                                                                                               
            215  bytes sent via SQL*Net to client                                                                                                        
            241  bytes received via SQL*Net from client                                                                                                  
              2  SQL*Net roundtrips to/from client                                                                                                       
              0  sorts (memory)                                                                                                                          
              0  sorts (disk)                                                                                                                            
              1  rows processed                                                                                                                          
    12:26:20 SQL> spool off
    Same results but with theUNION ALL, the buffergets is massive ...
    Thanks
    Krishna

    i am also attaching 10043/10053 trace file .
    /opt/oracle/adm/STCUST/udump/stcust_ora_7919_10046_10053_trace_file.trc
    *** TRACE DUMP CONTINUED FROM FILE  ***
    Oracle9i Enterprise Edition Release 9.2.0.8.0 - 64bit Production
    With the Partitioning, OLAP and Oracle Data Mining options
    JServer Release 9.2.0.8.0 - Production
    ORACLE_HOME = /opt/oracle/product/9.2.0.8
    System name: HP-UX
    Node name: rcihp009
    Release: B.11.23
    Version: U
    Machine: 9000/800
    Instance name: STCUST
    Redo thread mounted by this instance: 1
    Oracle process number: 152
    Unix process pid: 7919, image: oracle@rcihp009 (TNS V1-V3)
    *** 2013-06-10 13:32:48.943
    *** SESSION ID:(533.15875) 2013-06-10 13:32:48.943
    APPNAME mod='SQL*Plus' mh=3669949024 act='' ah=4029777240
    =====================
    PARSING IN CURSOR #1 len=69 dep=0 uid=33 oct=42 lid=33 tim=3017585934213 hv=2004533713 ad='4aa33998'
    alter session set events '10046 trace name context forever, level 12'
    END OF STMT
    EXEC #1:c=0,e=209,p=0,cr=0,cu=0,mis=1,r=0,dep=0,og=4,tim=3017585933683
    WAIT #1: nam='SQL*Net message to client' ela= 3 p1=1413697536 p2=1 p3=0
    *** 2013-06-10 13:33:00.090
    WAIT #1: nam='SQL*Net message from client' ela= 10884599 p1=1413697536 p2=1 p3=0
    =====================
    PARSING IN CURSOR #1 len=69 dep=0 uid=33 oct=42 lid=33 tim=3017596819944 hv=2030017677 ad='3af92970'
    alter session set events '10053 trace name context forever, level 1'
    END OF STMT
    PARSE #1:c=0,e=484,p=0,cr=0,cu=0,mis=1,r=0,dep=0,og=4,tim=3017596819933
    BINDS #1:
    EXEC #1:c=0,e=160,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=4,tim=3017596820180
    WAIT #1: nam='SQL*Net message to client' ela= 3 p1=1413697536 p2=1 p3=0
    *** 2013-06-10 13:33:50.197
    WAIT #1: nam='SQL*Net message from client' ela= 48932344 p1=1413697536 p2=1 p3=0
    PARAMETERS USED BY THE OPTIMIZER
    OPTIMIZER_FEATURES_ENABLE = 9.2.0
    OPTIMIZER_MODE/GOAL = Choose
    _OPTIMIZER_PERCENT_PARALLEL = 101
    HASH_AREA_SIZE = 131072
    HASH_JOIN_ENABLED = TRUE
    HASH_MULTIBLOCK_IO_COUNT = 0
    SORT_AREA_SIZE = 65536
    OPTIMIZER_SEARCH_LIMIT = 5
    PARTITION_VIEW_ENABLED = FALSE
    _ALWAYS_STAR_TRANSFORMATION = FALSE
    _B_TREE_BITMAP_PLANS = TRUE
    STAR_TRANSFORMATION_ENABLED = FALSE
    _COMPLEX_VIEW_MERGING = TRUE
    _PUSH_JOIN_PREDICATE = TRUE
    PARALLEL_BROADCAST_ENABLED = TRUE
    OPTIMIZER_MAX_PERMUTATIONS = 2000
    OPTIMIZER_INDEX_CACHING = 0
    _SYSTEM_INDEX_CACHING = 0
    OPTIMIZER_INDEX_COST_ADJ = 1
    OPTIMIZER_DYNAMIC_SAMPLING = 1
    _OPTIMIZER_DYN_SMP_BLKS = 32
    QUERY_REWRITE_ENABLED = TRUE
    QUERY_REWRITE_INTEGRITY = ENFORCED
    _INDEX_JOIN_ENABLED = TRUE
    _SORT_ELIMINATION_COST_RATIO = 0
    _OR_EXPAND_NVL_PREDICATE = TRUE
    _NEW_INITIAL_JOIN_ORDERS = TRUE
    ALWAYS_ANTI_JOIN = CHOOSE
    ALWAYS_SEMI_JOIN = CHOOSE
    _OPTIMIZER_MODE_FORCE = TRUE
    _OPTIMIZER_UNDO_CHANGES = FALSE
    _UNNEST_SUBQUERY = TRUE
    _PUSH_JOIN_UNION_VIEW = TRUE
    _FAST_FULL_SCAN_ENABLED = TRUE
    _OPTIM_ENHANCE_NNULL_DETECTION = TRUE
    _ORDERED_NESTED_LOOP = TRUE
    _NESTED_LOOP_FUDGE = 100
    _NO_OR_EXPANSION = FALSE
    _QUERY_COST_REWRITE = TRUE
    QUERY_REWRITE_EXPRESSION = TRUE
    _IMPROVED_ROW_LENGTH_ENABLED = TRUE
    _USE_NOSEGMENT_INDEXES = FALSE
    _ENABLE_TYPE_DEP_SELECTIVITY = TRUE
    _IMPROVED_OUTERJOIN_CARD = TRUE
    _OPTIMIZER_ADJUST_FOR_NULLS = TRUE
    _OPTIMIZER_CHOOSE_PERMUTATION = 0
    _USE_COLUMN_STATS_FOR_FUNCTION = TRUE
    _SUBQUERY_PRUNING_ENABLED = TRUE
    _SUBQUERY_PRUNING_REDUCTION_FACTOR = 50
    _SUBQUERY_PRUNING_COST_FACTOR = 20
    _LIKE_WITH_BIND_AS_EQUALITY = FALSE
    _TABLE_SCAN_COST_PLUS_ONE = TRUE
    _SORTMERGE_INEQUALITY_JOIN_OFF = FALSE
    _DEFAULT_NON_EQUALITY_SEL_CHECK = TRUE
    _ONESIDE_COLSTAT_FOR_EQUIJOINS = TRUE
    _OPTIMIZER_COST_MODEL = CHOOSE
    _GSETS_ALWAYS_USE_TEMPTABLES = FALSE
    DB_FILE_MULTIBLOCK_READ_COUNT = 128
    _NEW_SORT_COST_ESTIMATE = TRUE
    _GS_ANTI_SEMI_JOIN_ALLOWED = TRUE
    _CPU_TO_IO = 0
    _PRED_MOVE_AROUND = TRUE
    BASE STATISTICAL INFORMATION
    Table stats    Table: SOC_LIST   Alias: SOC
      TOTAL ::  CDN: 17584  NBLKS:  653  AVG_ROW_LEN:  260
    Column:        SOC  Col#: 3      Table: SOC_LIST   Alias: SOC
        NDV: 17584     NULLS: 0         DENS: 5.6870e-05
        NO HISTOGRAM: #BKT: 1 #VAL: 2
    -- Index stats
      INDEX NAME: I_SNAP$_SOC_LIST  COL#: 1
        TOTAL ::  LVLS: 1   #LB: 64  #DK: 17487  LB/K: 1  DB/K: 1  CLUF: 699
      INDEX NAME: SOC_LIST_1IX  COL#: 3
        TOTAL ::  LVLS: 1   #LB: 47  #DK: 17487  LB/K: 1  DB/K: 1  CLUF: 14065
    Table stats    Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
      (Using composite stats)
      TOTAL ::  CDN: 11982220  NBLKS:  125493  AVG_ROW_LEN:  71
    -- Index stats
      INDEX NAME: ELIGIBILITY_RELATION_1IX  COL#: 3 4 5
        USING COMPOSITE STATS
        TOTAL ::  LVLS: 2   #LB: 38360  #DK: 4164  LB/K: 9  DB/K: 740  CLUF: 3081860
      INDEX NAME: ELIGIBILITY_RELATION_PK  COL#: 2 3 4 5
        USING COMPOSITE STATS
        TOTAL ::  LVLS: 2   #LB: 50740  #DK: 11873160  LB/K: 1  DB/K: 1  CLUF: 9158280
      INDEX NAME: I_SNAP$_ELIGIBILITY_RELATI  COL#: 1
        TOTAL ::  LVLS: 2   #LB: 49600  #DK: 11953600  LB/K: 1  DB/K: 1  CLUF: 8833300
    _OPTIMIZER_PERCENT_PARALLEL = 0
    SINGLE TABLE ACCESS PATH
    Column:   SRC_CODE  Col#: 2      Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
        NDV: 22087     NULLS: 0         DENS: 4.5276e-05
        NO HISTOGRAM: #BKT: 1 #VAL: 2
    Column:   SRC_TYPE  Col#: 3      Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
        NDV: 2         NULLS: 0         DENS: 5.0000e-01
        NO HISTOGRAM: #BKT: 1 #VAL: 2
    Column:  DEST_TYPE  Col#: 5      Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
        NDV: 2         NULLS: 0         DENS: 5.0000e-01
        NO HISTOGRAM: #BKT: 1 #VAL: 2
      TABLE: ELIGIBILITY_RELATION     ORIG CDN: 11982220  ROUNDED CDN: 136  CMPTD CDN: 136
      Access path: tsc  Resc:  3072  Resp:  3072
      Access path: index (iff)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 1243
      IX_SEL:  0.0000e+00  TB_SEL:  1.0000e+00
      Access path: iff  Resc:  1243  Resp:  1243
      Skip scan: ss-sel 0  andv 11970 
        ss cost 119700
        index io scan cost 19180
      Access path: index (scan)
          Index: ELIGIBILITY_RELATION_1IX
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 789653
      IX_SEL:  5.0000e-01  TB_SEL:  2.5000e-01
      Skip scan: ss-sel 0  andv 11970 
        ss cost 11970
        index io scan cost 2
      Access path: index (index-only)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 10
      IX_SEL:  2.2638e-05  TB_SEL:  2.2638e-05
      ****** trying bitmap/domain indexes ******
      ****** finished trying bitmap/domain indexes ******
      BEST_CST: 1.00  PATH: 4  Degree:  1
    SINGLE TABLE ACCESS PATH
      TABLE: SOC_LIST     ORIG CDN: 17584  ROUNDED CDN: 17584  CMPTD CDN: 17584
      Access path: tsc  Resc:  18  Resp:  18
      Access path: index (iff)
          Index: SOC_LIST_1IX
      TABLE: SOC_LIST
          RSC_CPU: 0   RSC_IO: 3
      IX_SEL:  0.0000e+00  TB_SEL:  1.0000e+00
      Access path: iff  Resc:  3  Resp:  3
      Access path: index (no sta/stp keys)
          Index: SOC_LIST_1IX
      TABLE: SOC_LIST
          RSC_CPU: 0   RSC_IO: 48
      IX_SEL:  1.0000e+00  TB_SEL:  1.0000e+00
      BEST_CST: 1.00  PATH: 4  Degree:  1
    OPTIMIZER STATISTICS AND COMPUTATIONS
    GENERAL PLANS
    Join order[1]:  SOC_LIST[SOC]#0  ELIGIBILITY_RELATION[ELIGIBILITY_RELATION]#1
    Now joining: ELIGIBILITY_RELATION[ELIGIBILITY_RELATION]#1 *******
    NL Join
      Outer table: cost: 1  cdn: 17584  rcz: 10  resp:  1
      Inner table: ELIGIBILITY_RELATION
        Access path: tsc  Resc: 768
        Join:  Resc:  13504513  Resp:  13504513
      Access path: index (iff)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 1243
      IX_SEL:  0.0000e+00  TB_SEL:  1.0000e+00
      Inner table: ELIGIBILITY_RELATION
        Access path: iff  Resc: 311
        Join:  Resc:  5464229  Resp:  5464229
      Access path: index (unique)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 1
      IX_SEL:  8.3457e-08  TB_SEL:  8.3457e-08
        Join:  resc: 177  resp: 177
      Access path: index (join index)
          Index: ELIGIBILITY_RELATION_1IX
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 750
      IX_SEL:  0.0000e+00  TB_SEL:  2.0886e-05
        Join:  resc: 131881  resp: 131881
      Access path: index (eq-unique)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 1
      IX_SEL:  0.0000e+00  TB_SEL:  0.0000e+00
        Join:  resc: 177  resp: 177
      ****** trying bitmap/domain indexes ******
      Access path: index (join index)
          Index: ELIGIBILITY_RELATION_1IX
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 10
      IX_SEL:  1.4217e-05  TB_SEL:  2.0886e-05
        Join:  resc: 1759  resp: 1759
      Access path: index (index-only)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 4
      IX_SEL:  4.5276e-05  TB_SEL:  4.5276e-05
        Join:  resc: 704  resp: 704
        SORT resource      Sort statistics
          Sort width:           11 Area size:      628736 Max Area size:    31457280   Degree: 1
          Blocks to Sort:        2 Row size:           21 Rows:        543
          Initial runs:          1 Merge passes:        1 IO Cost / pass:          3
          Total IO sort cost: 2
          Total CPU sort cost: 0
          Total Temp space used: 0
      ****** finished trying bitmap/domain indexes ******
      Best NL cost: 177  resp: 177
    Semi-join cardinality:  135 = outer (17584) * sel (7.6774e-03) [flag=12]
    SM Join
      Outer table:
        resc: 1  cdn: 17584  rcz: 10  deg: 1  resp: 1
      Inner table: ELIGIBILITY_RELATION
        resc: 1  cdn: 136  rcz: 24  deg:  1  resp: 1
        using join:1 distribution:2 #groups:1
        SORT resource      Sort statistics
          Sort width:           11 Area size:      628736 Max Area size:    31457280   Degree: 1
          Blocks to Sort:        1 Row size:           37 Rows:        136
          Initial runs:          1 Merge passes:        1 IO Cost / pass:          2
          Total IO sort cost: 2
          Total CPU sort cost: 0
          Total Temp space used: 0
      Merge join  Cost:  4  Resp:  4
    HA Join
      Outer table:
        resc: 1  cdn: 17584  rcz: 10  deg: 1  resp: 1
      Inner table: ELIGIBILITY_RELATION
        resc: 1  cdn: 136  rcz: 24  deg:  1  resp: 1
        using join:8 distribution:2 #groups:1
      Hash join one ptn Resc: 4   Deg: 1
          hash_area:  154 (max=7680)  buildfrag:  48                probefrag:   1 ppasses:    1
      Hash join   Resc: 6   Resp: 6
    Join result: cost: 4  cdn: 135  rcz: 34
    Best so far: TABLE#: 0  CST:          1  CDN:      17584  BYTES:     175840
    Best so far: TABLE#: 1  CST:          4  CDN:        135  BYTES:       4590
    Join order[2]:  ELIGIBILITY_RELATION[ELIGIBILITY_RELATION]#1  SOC_LIST[SOC]#0
        SORT resource      Sort statistics
          Sort width:           11 Area size:      628736 Max Area size:    31457280   Degree: 1
          Blocks to Sort:        1 Row size:           37 Rows:        136
          Initial runs:          1 Merge passes:        1 IO Cost / pass:          2
          Total IO sort cost: 2
          Total CPU sort cost: 0
          Total Temp space used: 0
    Now joining: SOC_LIST[SOC]#0 *******
    NL Join
      Outer table: cost: 3  cdn: 136  rcz: 24  resp:  2
      Inner table: SOC_LIST
        Access path: tsc  Resc: 18
        Join:  Resc:  2450  Resp:  2450
      Access path: index (iff)
          Index: SOC_LIST_1IX
      TABLE: SOC_LIST
          RSC_CPU: 0   RSC_IO: 3
      IX_SEL:  0.0000e+00  TB_SEL:  1.0000e+00
      Inner table: SOC_LIST
        Access path: iff  Resc: 3
        Join:  Resc:  410  Resp:  410
      Access path: index (join index)
          Index: SOC_LIST_1IX
      TABLE: SOC_LIST
          RSC_CPU: 0   RSC_IO: 1
      IX_SEL:  0.0000e+00  TB_SEL:  5.6870e-05
        Join:  resc: 4  resp: 4
      Best NL cost: 4  resp: 4
    Join cardinality:  136 = outer (136) * inner (17584) * sel (5.6870e-05)  [flag=0]
    SM Join
      Outer table:
        resc: 2  cdn: 136  rcz: 24  deg: 1  resp: 2
      Inner table: SOC_LIST
        resc: 1  cdn: 17584  rcz: 10  deg:  1  resp: 1
        using join:1 distribution:2 #groups:1
        SORT resource      Sort statistics
          Sort width:           11 Area size:      628736 Max Area size:    31457280   Degree: 1
          Blocks to Sort:        1 Row size:           37 Rows:        136
          Initial runs:          1 Merge passes:        1 IO Cost / pass:          2
          Total IO sort cost: 2
          Total CPU sort cost: 0
          Total Temp space used: 0
        SORT resource      Sort statistics
          Sort width:           11 Area size:      628736 Max Area size:    31457280   Degree: 1
          Blocks to Sort:       46 Row size:           21 Rows:      17584
          Initial runs:          1 Merge passes:        1 IO Cost / pass:         51
          Total IO sort cost: 48
          Total CPU sort cost: 0
          Total Temp space used: 0
      Merge join  Cost:  54  Resp:  54
    HA Join
      Outer table:
        resc: 2  cdn: 136  rcz: 24  deg: 1  resp: 2
      Inner table: SOC_LIST
        resc: 1  cdn: 17584  rcz: 10  deg:  1  resp: 1
        using join:8 distribution:2 #groups:1
      Hash join one ptn Resc: 1   Deg: 1
          hash_area:  154 (max=7680)  buildfrag:  1                probefrag:   48 ppasses:    1
      Hash join   Resc: 4   Resp: 4
    Final - All Rows Plan:
      JOIN ORDER: 1
      CST: 4  CDN: 135  RSC: 4  RSP: 4  BYTES: 4590
      IO-RSC: 4  IO-RSP: 4  CPU-RSC: 0  CPU-RSP: 0
    QUERY
    SELECT   count(*)
       FROM SOC_LIST SOC
       WHERE
         ( EXISTS(  SELECT  1
                 FROM    ELIGIBILITY_RELATION
                 WHERE   SRC_CODE = 'SHDMM4215'
                      AND   DEST_CODE = SOC.SOC
                   AND   SRC_TYPE = 'P'
                   AND   DEST_TYPE = 'S'))
    =====================
    PARSING IN CURSOR #1 len=278 dep=0 uid=33 oct=3 lid=33 tim=3017645761269 hv=183981413 ad='492d5bb0'
    SELECT   count(*)
       FROM SOC_LIST SOC
       WHERE
         ( EXISTS(  SELECT  1
                 FROM    ELIGIBILITY_RELATION
                 WHERE   SRC_CODE = 'SHDMM4215'
                      AND   DEST_CODE = SOC.SOC
                   AND   SRC_TYPE = 'P'
                   AND   DEST_TYPE = 'S'))
    END OF STMT
    PARSE #1:c=10000,e=8343,p=0,cr=0,cu=0,mis=1,r=0,dep=0,og=4,tim=3017645761258
    BINDS #1:
    EXEC #1:c=0,e=529,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=4,tim=3017645761970
    WAIT #1: nam='SQL*Net message to client' ela= 3 p1=1413697536 p2=1 p3=0
    WAIT #1: nam='db file sequential read' ela= 9290 p1=2535 p2=142378 p3=1
    WAIT #1: nam='db file sequential read' ela= 2098 p1=2535 p2=142379 p3=1
    WAIT #1: nam='db file sequential read' ela= 11574 p1=2535 p2=33834 p3=1
    WAIT #1: nam='db file sequential read' ela= 10290 p1=2536 p2=60958 p3=1
    WAIT #1: nam='db file sequential read' ela= 11469 p1=2535 p2=61232 p3=1
    WAIT #1: nam='db file sequential read' ela= 378 p1=2535 p2=61233 p3=1
    WAIT #1: nam='db file sequential read' ela= 5493 p1=2535 p2=39498 p3=1
    WAIT #1: nam='db file sequential read' ela= 7397 p1=2536 p2=68185 p3=1
    WAIT #1: nam='db file sequential read' ela= 10037 p1=2536 p2=68520 p3=1
    WAIT #1: nam='db file sequential read' ela= 16125 p1=2535 p2=68809 p3=1
    WAIT #1: nam='db file sequential read' ela= 12426 p1=2535 p2=45162 p3=1
    WAIT #1: nam='db file sequential read' ela= 12447 p1=2535 p2=178335 p3=1
    WAIT #1: nam='db file sequential read' ela= 5974 p1=2535 p2=178798 p3=1
    WAIT #1: nam='db file sequential read' ela= 1247 p1=2535 p2=178799 p3=1
    WAIT #1: nam='db file sequential read' ela= 11010 p1=2535 p2=50826 p3=1
    WAIT #1: nam='db file sequential read' ela= 5421 p1=2536 p2=260451 p3=1
    WAIT #1: nam='db file sequential read' ela= 8230 p1=2536 p2=261538 p3=1
    WAIT #1: nam='db file sequential read' ela= 350 p1=2535 p2=142380 p3=1
    WAIT #1: nam='db file sequential read' ela= 346 p1=2535 p2=142381 p3=1
    WAIT #1: nam='db file sequential read' ela= 343 p1=2535 p2=142382 p3=1
    WAIT #1: nam='db file sequential read' ela= 480 p1=2535 p2=142383 p3=1
    WAIT #1: nam='db file sequential read' ela= 10237 p1=2535 p2=142384 p3=1
    WAIT #1: nam='db file sequential read' ela= 324 p1=2535 p2=142385 p3=1
    WAIT #1: nam='db file sequential read' ela= 359 p1=2535 p2=142386 p3=1
    WAIT #1: nam='db file sequential read' ela= 361 p1=2535 p2=142387 p3=1
    WAIT #1: nam='db file sequential read' ela= 375 p1=2535 p2=142388 p3=1
    WAIT #1: nam='db file sequential read' ela= 425 p1=2535 p2=142389 p3=1
    WAIT #1: nam='db file sequential read' ela= 540 p1=2535 p2=142390 p3=1
    WAIT #1: nam='db file sequential read' ela= 368 p1=2535 p2=142391 p3=1
    WAIT #1: nam='db file sequential read' ela= 479 p1=2535 p2=142392 p3=1
    WAIT #1: nam='db file sequential read' ela= 450 p1=2535 p2=142393 p3=1
    WAIT #1: nam='db file sequential read' ela= 307 p1=2535 p2=142394 p3=1
    WAIT #1: nam='db file sequential read' ela= 324 p1=2535 p2=142395 p3=1
    WAIT #1: nam='db file sequential read' ela= 396 p1=2535 p2=142396 p3=1
    WAIT #1: nam='db file sequential read' ela= 376 p1=2535 p2=142397 p3=1
    WAIT #1: nam='db file sequential read' ela= 295 p1=2535 p2=142398 p3=1
    WAIT #1: nam='db file sequential read' ela= 391 p1=2535 p2=142399 p3=1
    WAIT #1: nam='db file sequential read' ela= 396 p1=2535 p2=142400 p3=1
    WAIT #1: nam='db file sequential read' ela= 344 p1=2535 p2=142401 p3=1
    WAIT #1: nam='db file sequential read' ela= 337 p1=2535 p2=142402 p3=1
    WAIT #1: nam='db file sequential read' ela= 360 p1=2535 p2=142403 p3=1
    WAIT #1: nam='db file sequential read' ela= 402 p1=2535 p2=142404 p3=1
    WAIT #1: nam='db file sequential read' ela= 343 p1=2535 p2=142405 p3=1
    WAIT #1: nam='db file sequential read' ela= 408 p1=2535 p2=142406 p3=1
    WAIT #1: nam='db file sequential read' ela= 388 p1=2535 p2=142407 p3=1
    WAIT #1: nam='db file sequential read' ela= 400 p1=2535 p2=142408 p3=1
    WAIT #1: nam='db file sequential read' ela= 7999 p1=2536 p2=617 p3=1
    WAIT #1: nam='db file sequential read' ela= 520 p1=2536 p2=618 p3=1
    WAIT #1: nam='db file sequential read' ela= 294 p1=2536 p2=619 p3=1
    WAIT #1: nam='db file sequential read' ela= 311 p1=2536 p2=620 p3=1
    WAIT #1: nam='db file sequential read' ela= 316 p1=2536 p2=621 p3=1
    WAIT #1: nam='db file sequential read' ela= 306 p1=2536 p2=622 p3=1
    WAIT #1: nam='db file sequential read' ela= 303 p1=2536 p2=623 p3=1
    WAIT #1: nam='db file sequential read' ela= 1776 p1=2536 p2=624 p3=1
    FETCH #1:c=50000,e=216800,p=54,cr=54,cu=0,mis=0,r=1,dep=0,og=4,tim=3017645978865
    WAIT #1: nam='SQL*Net message from client' ela= 2802 p1=1413697536 p2=1 p3=0
    FETCH #1:c=0,e=1,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=0,tim=3017645981803
    WAIT #1: nam='SQL*Net message to client' ela= 1 p1=1413697536 p2=1 p3=0
    *** 2013-06-10 13:34:28.160
    WAIT #1: nam='SQL*Net message from client' ela= 36844121 p1=1413697536 p2=1 p3=0
    STAT #1 id=1 cnt=1 pid=0 pos=1 obj=0 op='SORT AGGREGATE (cr=54 r=54 w=0 time=216788 us)'
    STAT #1 id=2 cnt=157 pid=1 pos=1 obj=0 op='MERGE JOIN SEMI (cr=54 r=54 w=0 time=216734 us)'
    STAT #1 id=3 cnt=14296 pid=2 pos=1 obj=5769123 op='INDEX FULL SCAN SOC_LIST_1IX (cr=39 r=39 w=0 time=55399 us)'
    STAT #1 id=4 cnt=157 pid=2 pos=2 obj=0 op='SORT UNIQUE (cr=15 r=15 w=0 time=141933 us)'
    STAT #1 id=5 cnt=286 pid=4 pos=1 obj=0 op='PARTITION HASH ALL PARTITION: 1 4 (cr=15 r=15 w=0 time=130847 us)'
    STAT #1 id=6 cnt=286 pid=5 pos=1 obj=5401812 op='INDEX RANGE SCAN ELIGIBILITY_RELATION_PK PARTITION: 1 4 (cr=15 r=15 w=0 time=130716 us)'
    QUERY
    BEGIN := 'N'; END;
    =====================
    PARSING IN CURSOR #1 len=23 dep=0 uid=33 oct=47 lid=33 tim=3017682828223 hv=16287806 ad='464edb18'
    BEGIN := 'N'; END;
    END OF STMT
    PARSE #1:c=0,e=1569,p=0,cr=0,cu=0,mis=1,r=0,dep=0,og=0,tim=3017682828214
    BINDS #1:
    bind 0: dty=96 mxl=01(01) mal=00 scl=00 pre=00 oacflg=03 oacfl2=200071100000000 size=8 offset=0
       bfp=800003ffefe9f748 bln=01 avl=00 flg=05
    WAIT #1: nam='SQL*Net message to client' ela= 3 p1=1413697536 p2=1 p3=0
    EXEC #1:c=0,e=5494,p=0,cr=0,cu=0,mis=0,r=1,dep=0,og=4,tim=3017682833795
    *** 2013-06-10 13:34:44.174
    WAIT #1: nam='SQL*Net message from client' ela= 15630899 p1=1413697536 p2=1 p3=0
    QUERY
    SELECT count(*)
       FROM SOC_LIST SOC
       WHERE        ( = 'Y')
    =====================
    PARSING IN CURSOR #1 len=65 dep=0 uid=33 oct=3 lid=33 tim=3017698466665 hv=900106749 ad='43145458'
    SELECT count(*)
       FROM SOC_LIST SOC
       WHERE        ( = 'Y')
    END OF STMT
    PARSE #1:c=0,e=1409,p=0,cr=0,cu=0,mis=1,r=0,dep=0,og=0,tim=3017698466654
    PARAMETERS USED BY THE OPTIMIZER
    OPTIMIZER_FEATURES_ENABLE = 9.2.0
    OPTIMIZER_MODE/GOAL = Choose
    _OPTIMIZER_PERCENT_PARALLEL = 101
    HASH_AREA_SIZE = 131072
    HASH_JOIN_ENABLED = TRUE
    HASH_MULTIBLOCK_IO_COUNT = 0
    SORT_AREA_SIZE = 65536
    OPTIMIZER_SEARCH_LIMIT = 5
    PARTITION_VIEW_ENABLED = FALSE
    _ALWAYS_STAR_TRANSFORMATION = FALSE
    _B_TREE_BITMAP_PLANS = TRUE
    STAR_TRANSFORMATION_ENABLED = FALSE
    _COMPLEX_VIEW_MERGING = TRUE
    _PUSH_JOIN_PREDICATE = TRUE
    PARALLEL_BROADCAST_ENABLED = TRUE
    OPTIMIZER_MAX_PERMUTATIONS = 2000
    OPTIMIZER_INDEX_CACHING = 0
    _SYSTEM_INDEX_CACHING = 0
    OPTIMIZER_INDEX_COST_ADJ = 1
    OPTIMIZER_DYNAMIC_SAMPLING = 1
    _OPTIMIZER_DYN_SMP_BLKS = 32
    QUERY_REWRITE_ENABLED = TRUE
    QUERY_REWRITE_INTEGRITY = ENFORCED
    _INDEX_JOIN_ENABLED = TRUE
    _SORT_ELIMINATION_COST_RATIO = 0
    _OR_EXPAND_NVL_PREDICATE = TRUE
    _NEW_INITIAL_JOIN_ORDERS = TRUE
    ALWAYS_ANTI_JOIN = CHOOSE
    ALWAYS_SEMI_JOIN = CHOOSE
    _OPTIMIZER_MODE_FORCE = TRUE
    _OPTIMIZER_UNDO_CHANGES = FALSE
    _UNNEST_SUBQUERY = TRUE
    _PUSH_JOIN_UNION_VIEW = TRUE
    _FAST_FULL_SCAN_ENABLED = TRUE
    _OPTIM_ENHANCE_NNULL_DETECTION = TRUE
    _ORDERED_NESTED_LOOP = TRUE
    _NESTED_LOOP_FUDGE = 100
    _NO_OR_EXPANSION = FALSE
    _QUERY_COST_REWRITE = TRUE
    QUERY_REWRITE_EXPRESSION = TRUE
    _IMPROVED_ROW_LENGTH_ENABLED = TRUE
    _USE_NOSEGMENT_INDEXES = FALSE
    _ENABLE_TYPE_DEP_SELECTIVITY = TRUE
    _IMPROVED_OUTERJOIN_CARD = TRUE
    _OPTIMIZER_ADJUST_FOR_NULLS = TRUE
    _OPTIMIZER_CHOOSE_PERMUTATION = 0
    _USE_COLUMN_STATS_FOR_FUNCTION = TRUE
    _SUBQUERY_PRUNING_ENABLED = TRUE
    _SUBQUERY_PRUNING_REDUCTION_FACTOR = 50
    _SUBQUERY_PRUNING_COST_FACTOR = 20
    _LIKE_WITH_BIND_AS_EQUALITY = FALSE
    _TABLE_SCAN_COST_PLUS_ONE = TRUE
    _SORTMERGE_INEQUALITY_JOIN_OFF = FALSE
    _DEFAULT_NON_EQUALITY_SEL_CHECK = TRUE
    _ONESIDE_COLSTAT_FOR_EQUIJOINS = TRUE
    _OPTIMIZER_COST_MODEL = CHOOSE
    _GSETS_ALWAYS_USE_TEMPTABLES = FALSE
    DB_FILE_MULTIBLOCK_READ_COUNT = 128
    _NEW_SORT_COST_ESTIMATE = TRUE
    _GS_ANTI_SEMI_JOIN_ALLOWED = TRUE
    _CPU_TO_IO = 0
    _PRED_MOVE_AROUND = TRUE
    BASE STATISTICAL INFORMATION
    Table stats    Table: SOC_LIST   Alias: SOC
      TOTAL ::  CDN: 17584  NBLKS:  653  AVG_ROW_LEN:  260
    -- Index stats
      INDEX NAME: I_SNAP$_SOC_LIST  COL#: 1
        TOTAL ::  LVLS: 1   #LB: 64  #DK: 17487  LB/K: 1  DB/K: 1  CLUF: 699
      INDEX NAME: SOC_LIST_1IX  COL#: 3
        TOTAL ::  LVLS: 1   #LB: 47  #DK: 17487  LB/K: 1  DB/K: 1  CLUF: 14065
    _OPTIMIZER_PERCENT_PARALLEL = 0
    SINGLE TABLE ACCESS PATH
      TABLE: SOC_LIST     ORIG CDN: 17584  ROUNDED CDN: 17584  CMPTD CDN: 17584
      Access path: tsc  Resc:  18  Resp:  18
      ****** trying bitmap/domain indexes ******
      ****** finished trying bitmap/domain indexes ******
      BEST_CST: 18.00  PATH: 2  Degree:  1
    OPTIMIZER STATISTICS AND COMPUTATIONS
    GENERAL PLANS
    Join order[1]:  SOC_LIST[SOC]#0
    Best so far: TABLE#: 0  CST:         18  CDN:      17584  BYTES:          0
    Final - All Rows Plan:
      JOIN ORDER: 1
      CST: 18  CDN: 17584  RSC: 18  RSP: 18  BYTES: 0
      IO-RSC: 18  IO-RSP: 18  CPU-RSC: 0  CPU-RSP: 0
    BINDS #1:
    bind 0: dty=96 mxl=32(01) mal=00 scl=00 pre=00 oacflg=03 oacfl2=0 size=32 offset=0
       bfp=800003ffefea9490 bln=32 avl=01 flg=05
       value="N"
    EXEC #1:c=0,e=152,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=4,tim=3017698469481
    WAIT #1: nam='SQL*Net message to client' ela= 4 p1=1413697536 p2=1 p3=0
    FETCH #1:c=10000,e=1506,p=0,cr=0,cu=0,mis=0,r=1,dep=0,og=4,tim=3017698471536
    WAIT #1: nam='SQL*Net message from client' ela= 2607 p1=1413697536 p2=1 p3=0
    FETCH #1:c=0,e=0,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=0,tim=3017698474268
    WAIT #1: nam='SQL*Net message to client' ela= 1 p1=1413697536 p2=1 p3=0
    *** 2013-06-10 13:35:07.656
    WAIT #1: nam='SQL*Net message from client' ela= 22922584 p1=1413697536 p2=1 p3=0
    STAT #1 id=1 cnt=1 pid=0 pos=1 obj=0 op='SORT AGGREGATE (cr=0 r=0 w=0 time=93 us)'
    STAT #1 id=2 cnt=0 pid=1 pos=1 obj=0 op='FILTER  (cr=0 r=0 w=0 time=29 us)'
    STAT #1 id=3 cnt=0 pid=2 pos=1 obj=5769120 op='TABLE ACCESS FULL SOC_LIST '
    =====================
    PARSE ERROR #1:len=369 dep=0 uid=33 oct=0 lid=33 tim=3017721397730 err=900
    exec := 'N'
    SELEC ...
    WAIT #1: nam='SQL*Net break/reset to client' ela= 2 p1=1413697536 p2=1 p3=0
    WAIT #1: nam='SQL*Net break/reset to client' ela= 2403 p1=1413697536 p2=0 p3=0
    WAIT #1: nam='SQL*Net message to client' ela= 3 p1=1413697536 p2=1 p3=0
    *** 2013-06-10 13:35:24.017
    WAIT #1: nam='SQL*Net message from client' ela= 15973854 p1=1413697536 p2=1 p3=0
    QUERY
    SELECT  count(*)
       FROM SOC_LIST SOC
       WHERE
         ( EXISTS(  SELECT  1
                 FROM    ELIGIBILITY_RELATION
                 WHERE   SRC_CODE = 'SHDMM4215'
                      AND   DEST_CODE = SOC.SOC
                   AND   SRC_TYPE = 'P'
                   AND   DEST_TYPE = 'S'))
    UNION ALL
    SELECT count(*)
       FROM SOC_LIST SOC
       WHERE        ( = 'Y')
    =====================
    PARSING IN CURSOR #1 len=353 dep=0 uid=33 oct=3 lid=33 tim=3017737377655 hv=4202798596 ad='45639568'
    SELECT  count(*)
       FROM SOC_LIST SOC
       WHERE
         ( EXISTS(  SELECT  1
                 FROM    ELIGIBILITY_RELATION
                 WHERE   SRC_CODE = 'SHDMM4215'
                      AND   DEST_CODE = SOC.SOC
                   AND   SRC_TYPE = 'P'
                   AND   DEST_TYPE = 'S'))
    UNION ALL
    SELECT count(*)
       FROM SOC_LIST SOC
       WHERE        ( = 'Y')
    END OF STMT
    PARSE #1:c=0,e=2624,p=0,cr=0,cu=0,mis=1,r=0,dep=0,og=0,tim=3017737377644
    PARAMETERS USED BY THE OPTIMIZER
    OPTIMIZER_FEATURES_ENABLE = 9.2.0
    OPTIMIZER_MODE/GOAL = Choose
    _OPTIMIZER_PERCENT_PARALLEL = 101
    HASH_AREA_SIZE = 131072
    HASH_JOIN_ENABLED = TRUE
    HASH_MULTIBLOCK_IO_COUNT = 0
    SORT_AREA_SIZE = 65536
    OPTIMIZER_SEARCH_LIMIT = 5
    PARTITION_VIEW_ENABLED = FALSE
    _ALWAYS_STAR_TRANSFORMATION = FALSE
    _B_TREE_BITMAP_PLANS = TRUE
    STAR_TRANSFORMATION_ENABLED = FALSE
    _COMPLEX_VIEW_MERGING = TRUE
    _PUSH_JOIN_PREDICATE = TRUE
    PARALLEL_BROADCAST_ENABLED = TRUE
    OPTIMIZER_MAX_PERMUTATIONS = 2000
    OPTIMIZER_INDEX_CACHING = 0
    _SYSTEM_INDEX_CACHING = 0
    OPTIMIZER_INDEX_COST_ADJ = 1
    OPTIMIZER_DYNAMIC_SAMPLING = 1
    _OPTIMIZER_DYN_SMP_BLKS = 32
    QUERY_REWRITE_ENABLED = TRUE
    QUERY_REWRITE_INTEGRITY = ENFORCED
    _INDEX_JOIN_ENABLED = TRUE
    _SORT_ELIMINATION_COST_RATIO = 0
    _OR_EXPAND_NVL_PREDICATE = TRUE
    _NEW_INITIAL_JOIN_ORDERS = TRUE
    ALWAYS_ANTI_JOIN = CHOOSE
    ALWAYS_SEMI_JOIN = CHOOSE
    _OPTIMIZER_MODE_FORCE = TRUE
    _OPTIMIZER_UNDO_CHANGES = FALSE
    _UNNEST_SUBQUERY = TRUE
    _PUSH_JOIN_UNION_VIEW = TRUE
    _FAST_FULL_SCAN_ENABLED = TRUE
    _OPTIM_ENHANCE_NNULL_DETECTION = TRUE
    _ORDERED_NESTED_LOOP = TRUE
    _NESTED_LOOP_FUDGE = 100
    _NO_OR_EXPANSION = FALSE
    _QUERY_COST_REWRITE = TRUE
    QUERY_REWRITE_EXPRESSION = TRUE
    _IMPROVED_ROW_LENGTH_ENABLED = TRUE
    _USE_NOSEGMENT_INDEXES = FALSE
    _ENABLE_TYPE_DEP_SELECTIVITY = TRUE
    _IMPROVED_OUTERJOIN_CARD = TRUE
    _OPTIMIZER_ADJUST_FOR_NULLS = TRUE
    _OPTIMIZER_CHOOSE_PERMUTATION = 0
    _USE_COLUMN_STATS_FOR_FUNCTION = TRUE
    _SUBQUERY_PRUNING_ENABLED = TRUE
    _SUBQUERY_PRUNING_REDUCTION_FACTOR = 50
    _SUBQUERY_PRUNING_COST_FACTOR = 20
    _LIKE_WITH_BIND_AS_EQUALITY = FALSE
    _TABLE_SCAN_COST_PLUS_ONE = TRUE
    _SORTMERGE_INEQUALITY_JOIN_OFF = FALSE
    _DEFAULT_NON_EQUALITY_SEL_CHECK = TRUE
    _ONESIDE_COLSTAT_FOR_EQUIJOINS = TRUE
    _OPTIMIZER_COST_MODEL = CHOOSE
    _GSETS_ALWAYS_USE_TEMPTABLES = FALSE
    DB_FILE_MULTIBLOCK_READ_COUNT = 128
    _NEW_SORT_COST_ESTIMATE = TRUE
    _GS_ANTI_SEMI_JOIN_ALLOWED = TRUE
    _CPU_TO_IO = 0
    _PRED_MOVE_AROUND = TRUE
    BASE STATISTICAL INFORMATION
    Table stats    Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
      (Using composite stats)
      (adjusted for partition skews)
      ORIG STATS::  CDN: 11982220  NBLKS:  125493  AVG_ROW_LEN:  71
      PARTCNT::
      PRUNED: 4  ANALYZED: 4  UNANALYZED: 0
      TOTAL ::  CDN: 11982220  NBLKS:  125493  AVG_ROW_LEN:  71
    -- Index stats
      INDEX NAME: ELIGIBILITY_RELATION_1IX  COL#: 3 4 5
        USING COMPOSITE STATS
        TOTAL ::  LVLS: 2   #LB: 38360  #DK: 4164  LB/K: 9  DB/K: 740  CLUF: 3081860
      INDEX NAME: ELIGIBILITY_RELATION_PK  COL#: 2 3 4 5
        USING COMPOSITE STATS
        TOTAL ::  LVLS: 2   #LB: 50740  #DK: 11873160  LB/K: 1  DB/K: 1  CLUF: 9158280
      INDEX NAME: I_SNAP$_ELIGIBILITY_RELATI  COL#: 1
        TOTAL ::  LVLS: 2   #LB: 49600  #DK: 11953600  LB/K: 1  DB/K: 1  CLUF: 8833300
    _OPTIMIZER_PERCENT_PARALLEL = 0
    SINGLE TABLE ACCESS PATH
    Column:   SRC_CODE  Col#: 2      Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
        NDV: 22087     NULLS: 0         DENS: 4.5276e-05
        NO HISTOGRAM: #BKT: 1 #VAL: 2
    Column:  DEST_CODE  Col#: 4      Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
        NDV: 11970     NULLS: 0         DENS: 8.3542e-05
        NO HISTOGRAM: #BKT: 1 #VAL: 2
    Column:   SRC_TYPE  Col#: 3      Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
        NDV: 2         NULLS: 0         DENS: 5.0000e-01
        NO HISTOGRAM: #BKT: 1 #VAL: 2
    Column:  DEST_TYPE  Col#: 5      Table: ELIGIBILITY_RELATION   Alias: ELIGIBILITY_RELATION
        NDV: 2         NULLS: 0         DENS: 5.0000e-01
        NO HISTOGRAM: #BKT: 1 #VAL: 2
      TABLE: ELIGIBILITY_RELATION     ORIG CDN: 11982220  ROUNDED CDN: 1  CMPTD CDN: 0
      Access path: tsc  Resc:  3072  Resp:  3072
      Access path: index (iff)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 1243
      IX_SEL:  0.0000e+00  TB_SEL:  1.0000e+00
      Access path: iff  Resc:  1243  Resp:  1243
      Access path: index (unique)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 2
      IX_SEL:  8.3457e-08  TB_SEL:  8.3457e-08
      Access path: index (equal)
          Index: ELIGIBILITY_RELATION_1IX
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 68
      IX_SEL:  0.0000e+00  TB_SEL:  2.0886e-05
      Access path: index (eq-unique)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 2
      IX_SEL:  0.0000e+00  TB_SEL:  0.0000e+00
      ****** trying bitmap/domain indexes ******
      Access path: index (equal)
          Index: ELIGIBILITY_RELATION_1IX
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 3
      IX_SEL:  2.0886e-05  TB_SEL:  2.0886e-05
      Access path: index (index-only)
          Index: ELIGIBILITY_RELATION_PK
      TABLE: ELIGIBILITY_RELATION
          RSC_CPU: 0   RSC_IO: 5
      IX_SEL:  4.5276e-05  TB_SEL:  4.5276e-05
        SORT resource      Sort statistics
          Sort width:           11 Area size:      628736 Max Area size:    31457280   Degree: 1
          Blocks to Sort:        2 Row size:           21 Rows:        543
          Initial runs:          1 Merge passes:        1 IO Cost / pass:          3
          Total IO sort cost: 2
          Total CPU sort cost: 0
          Total Temp space used: 0
      ****** finished trying bitmap/domain indexes ******
    One row CDN: 1
      BEST_CST: 1.00  PATH: 3  Degree:  1
    OPTIMIZER STATISTICS AND COMPUTATIONS
    GENERAL PLANS
    Join order[1]:  ELIGIBILITY_RELATION[ELIGIBILITY_RELATION]#0
    Best so far: TABLE#: 0  CST:          1  CDN:          1  BYTES:         24
    Final - First Rows Plan:
      JOIN ORDER: 1
      CST: 1  CDN: 1  RSC: 1  RSP: 1  BYTES: 24
      IO-RSC: 1  IO-RSP: 1  CPU-RSC: 0  CPU-RSP: 0
      First Rows Plan
    PARAMETERS USED BY THE OPTIMIZER
    OPTIMIZER_FEATURES_ENABLE = 9.2.0
    OPTIMIZER_MODE/GOAL = Choose
    _OPTIMIZER_PERCENT_PARALLEL = 101
    HASH_AREA_SIZE = 131072
    HASH_JOIN_ENABLED = TRUE
    HASH_MULTIBLOCK_IO_COUNT = 0
    SORT_AREA_SIZE = 65536
    OPTIMIZER_SEARCH_LIMIT = 5
    PARTITION_VIEW_ENABLED = FALSE
    _ALWAYS_STAR_TRANSFORMATION = FALSE
    _B_TREE_BITMAP_PLANS = TRUE
    STAR_TRANSFORMATION_ENABLED = FALSE
    _COMPLEX_VIEW_MERGING = TRUE
    _PUSH_JOIN_PREDICATE = TRUE
    PARALLEL_BROADCAST_ENABLED = TRUE
    OPTIMIZER_MAX_PERMUTATIONS = 2000
    OPTIMIZER_INDEX_CACHING = 0
    _SYSTEM_INDEX_CACHING = 0
    OPTIMIZER_INDEX_COST_ADJ = 1
    OPTIMIZER_DYNAMIC_SAMPLING = 1
    _OPTIMIZER_DYN_SMP_BLKS = 32
    QUERY_REWRITE_ENABLED = TRUE
    QUERY_REWRITE_INTEGRITY = ENFORCED
    _INDEX_JOIN_ENABLED = TRUE
    _SORT_ELIMINATION_COST_RATIO = 0
    _OR_EXPAND_NVL_PREDICATE = TRUE
    _NEW_INITIAL_JOIN_ORDERS = TRUE
    ALWAYS_ANTI_JOIN = CHOOSE
    ALWAYS_SEMI_JOIN = CHOOSE
    _OPTIMIZER_MODE_FORCE = TRUE
    _OPTIMIZER_UNDO_CHANGES = FALSE
    _UNNEST_SUBQUERY = TRUE
    _PUSH_JOIN_UNION_VIEW = TRUE
    _FAST_FULL_SCAN_ENABLED = TRUE
    _OPTIM_ENHANCE_NNULL_DETECTION = TRUE
    _ORDERED_NESTED_LOOP = TRUE
    _NESTED_LOOP_FUDGE = 100
    _NO_OR_EXPANSION = FALSE
    _QUERY_COST_REWRITE = TRUE
    QUERY_REWRITE_EXPRESSION = TRUE
    _IMPROVED_ROW_LENGTH_ENABLED = TRUE
    _USE_NOSEGMENT_INDEXES = FALSE
    _ENABLE_TYPE_DEP_SELECTIVITY = TRUE
    _IMPROVED_OUTERJOIN_CARD = TRUE
    _OPTIMIZER_ADJUST_FOR_NULLS = TRUE
    _OPTIMIZER_CHOOSE_PERMUTATION = 0
    _USE_COLUMN_STATS_FOR_FUNCTION = TRUE
    _SUBQUERY_PRUNING_ENABLED = TRUE
    _SUBQUERY_PRUNING_REDUCTION_FACTOR = 50
    _SUBQUERY_PRUNING_COST_FACTOR = 20
    _LIKE_WITH_BIND_AS_EQUALITY = FALSE
    _TABLE_SCAN_COST_PLUS_ONE = TRUE
    _SORTMERGE_INEQUALITY_JOIN_OFF = FALSE
    _DEFAULT_NON_EQUALITY_SEL_CHECK = TRUE
    _ONESIDE_COLSTAT_FOR_EQUIJOINS = TRUE
    _OPTIMIZER_COST_MODEL = CHOOSE
    _GSETS_ALWAYS_USE_TEMPTABLES = FALSE
    DB_FILE_MULTIBLOCK_READ_COUNT = 128
    _NEW_SORT_COST_ESTIMATE = TRUE
    _GS_ANTI_SEMI_JOIN_ALLOWED = TRUE
    _CPU_TO_IO = 0
    _PRED_MOVE_AROUND = TRUE
    BASE STATISTICAL INFORMATION
    Table stats    Table: SOC_LIST   Alias: SYS_ALIAS_1
      TOTAL ::  CDN: 17584  NBLKS:  653  AVG_ROW_LEN:  260
    -- Index stats
      INDEX NAME: I_SNAP$_SOC_LIST  COL#: 1
        TOTAL ::  LVLS: 1   #LB: 64  #DK: 17487  LB/K: 1  DB/K: 1  CLUF: 699
      INDEX NAME: SOC_LIST_1IX  COL#: 3
        TOTAL ::  LVLS: 1   #LB: 47  #DK: 17487  LB/K: 1  DB/K: 1  CLUF: 14065
    _OPTIMIZER_PERCENT_PARALLEL = 0
    SINGLE TABLE ACCESS PATH
      TABLE: SOC_LIST     ORIG CDN: 17584  ROUNDED CDN: 879  CMPTD CDN: 879
      Access path: tsc  Resc:  18  Resp:  18
      ****** trying bitmap/domain indexes ******
      ****** finished trying bitmap/domain indexes ******
      BEST_CST: 18.00  PATH: 2  Degree:  1
    OPTIMIZER STATISTICS AND COMPUTATIONS
    GENERAL PLANS
    Join order[1]:  SOC_LIST[SYS_ALIAS_1]#0
    Best so far: TABLE#: 0  CST:         18  CDN:        879  BYTES:       8790
    Final - All Rows Plan:
      JOIN ORDER: 1
      CST: 18  CDN: 879  RSC: 18  RSP: 18  BYTES: 8790
      IO-RSC: 18  IO-RSP: 18  CPU-RSC: 0  CPU-RSP: 0
    PARAMETERS USED BY THE OPTIMIZER
    OPTIMIZER_FEATURES_ENABLE = 9.2.0
    OPTIMIZER_MODE/GOAL = Choose
    _OPTIMIZER_PERCENT_PARALLEL = 101
    HASH_AREA_SIZE = 131072
    HASH_JOIN_ENABLED = TRUE
    HASH_MULTIBLOCK_IO_COUNT = 0
    SORT_AREA_SIZE = 65536
    OPTIMIZER_SEARCH_LIMIT = 5
    PARTITION_VIEW_ENABLED = FALSE
    _ALWAYS_STAR_TRANSFORMATION = FALSE
    _B_TREE_BITMAP_PLANS = TRUE
    STAR_TRANSFORMATION_ENABLED = FALSE
    _COMPLEX_VIEW_MERGING = TRUE
    _PUSH_JOIN_PREDICATE = TRUE
    PARALLEL_BROADCAST_ENABLED = TRUE
    OPTIMIZER_MAX_PERMUTATIONS = 2000
    OPTIMIZER_INDEX_CACHING = 0
    _SYSTEM_INDEX_CACHING = 0
    OPTIMIZER_INDEX_COST_ADJ = 1
    OPTIMIZER_DYNAMIC_SAMPLING = 1
    _OPTIMIZER_DYN_SMP_BLKS = 32
    QUERY_REWRITE_ENABLED = TRUE
    QUERY_REWRITE_INTEGRITY = ENFORCED
    _INDEX_JOIN_ENABLED = TRUE
    _SORT_ELIMINATION_COST_RATIO = 0
    _OR_EXPAND_NVL_PREDICATE = TRUE
    _NEW_INITIAL_JOIN_ORDERS = TRUE
    ALWAYS_ANTI_JOIN = CHOOSE
    ALWAYS_SEMI_JOIN = CHOOSE
    _OPTIMIZER_MODE_FORCE = TRUE
    _OPTIMIZER_UNDO_CHANGES = FALSE
    _UNNEST_SUBQUERY = TRUE
    _PUSH_JOIN_UNION_VIEW = TRUE
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