The MINUS operator in SQL

Hi
i use this minus operator to find the non matching row of the second query.
after looking at the reasult of this query , i searched the one result in the second query alone i could see the data.
it's worng The MINUS query returns all rows in the first query that are not returned in the second query.
in my case it's returning the rows which returned by the second query.
(select distinct lower(trim(to_char(sso))),lower(trim(to_char(region))),to_date(expiration_date,'DD-MM-YY') from ca_ourc_view
where rownum <1001
minus
(select distinct lower(trim(to_char(sso))),lower(trim(to_char(region))),to_date(expiration_date,'DD-MM-YY') from ourc_members_v1@gesprd
where rownum <1001
)thanks
Raj

in my case it's returning the rows which returned by the second query.can't happen like this
for example
SQL> select * from scott.emp where empno=7369
  2  minus
  3  select * from scott.emp where empno=7499;
     EMPNO ENAME      JOB              MGR HIREDATE         SAL       COMM     DEPTNO
      7369 SMITH      CLERK           7902 17-DEC-80        800                    20

Similar Messages

  • Using the minus operator

    I am very new to oracle and am working with the minus operator to run a query. I could use some help!
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    select suppliername, partname
    from quote
    where partname = 'hammer'
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    select suppliername, partname
    from quote
    where partname = 'hammer';
    HOW DO I GET THE QUERY TO DISPLAY ONLY THE ROWS OF SUPPLIERNAMES THAT SUPPLY ONLY HAMMERS?
    I WOULD GREATLY APPRECIATE SOME CLARIFICATION.

    HOW DO I GET THE QUERY TO DISPLAY ONLY THE ROWS OF SUPPLIERNAMES THAT SUPPLY ONLY HAMMERS?It may, for some data related reason, give you the result you were expecting, but this query does not answer that question because you have included partname in the MINUS.
    E.g.
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    SELECT 'BOB'  suppliername, 'SPANNER' partname FROM DUAL UNION ALL
    SELECT 'TIM'  suppliername, 'HAMMER' partname FROM DUAL UNION ALL
    SELECT 'JACK' suppliername, 'HAMMER' partname FROM DUAL)
    SELECT suppliername, partname
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    MINUS
    SELECT suppliername, partname
    FROM   quote
    WHERE  partname != 'HAMMER';
    SUPPLIERNAME PARTNAME
    BOB          HAMMER  
    JACK         HAMMER  
    TIM          HAMMER   Clearly this is wrong because Bob supplies spanners (aka wrench).
    However:
    WITH quote AS
    (SELECT 'BOB'  suppliername, 'HAMMER' partname FROM DUAL UNION ALL
    SELECT 'BOB'  suppliername, 'SPANNER' partname FROM DUAL UNION ALL
    SELECT 'TIM'  suppliername, 'HAMMER' partname FROM DUAL UNION ALL
    SELECT 'JACK' suppliername, 'HAMMER' partname FROM DUAL)
    SELECT suppliername
    FROM   quote
    MINUS
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    FROM   quote
    WHERE  partname != 'HAMMER';
    SUPPLIERNAME
    JACK        
    TIM          Amongst the many alternatives - NOT EXISTS:
    WITH quote AS
    (SELECT 'BOB'  suppliername, 'HAMMER' partname FROM DUAL UNION ALL
    SELECT 'BOB'  suppliername, 'SPANNER' partname FROM DUAL UNION ALL
    SELECT 'TIM'  suppliername, 'HAMMER' partname FROM DUAL UNION ALL
    SELECT 'JACK' suppliername, 'HAMMER' partname FROM DUAL)
    SELECT *
    FROM   quote q1
    WHERE  NOT EXISTS (SELECT 1
                       FROM   quote q2
                       WHERE  q2.suppliername = q1.suppliername
                       AND    partname != 'HAMMER');
    SUPPLIERNAME PARTNAME
    JACK         HAMMER  
    TIM          HAMMER  

  • Problem with the minus operator - Urgent

    Hi,
    I am executing one source minus target query which is taking a lot of time to run (more than a day) in TEST and PROD environment.
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    SELECT STATEMENT Optimizer Mode=ALL_ROWS     1           4507                     
    SORT AGGREGATE          1                               
    VIEW          4           4507                     
    MINUS                                        
    SORT UNIQUE          4      2 K     256                     
    HASH JOIN OUTER          4      2 K     255                     
    NESTED LOOPS          1      444      223                     
    HASH JOIN          37      10 K     28                     
    FILTER          61      4 K     23                     
    REMOTE                              SERIAL          
    REMOTE          1      105      2           SERIAL          
    REMOTE          t1(source) 1      72      1           SERIAL          
    REMOTE          t2(source) 10 K     1 M     32           SERIAL          
    SORT UNIQUE          6 K     406 K     4251                     
    HASH JOIN          6 K     406 K     4183                     
    TABLE ACCESS FULL     t1(target) 11 K     439 K     87                     
    TABLE ACCESS FULL     t2 target) 372 K     8 M     4076           
    test explain plan -
    Operation     Object Name     Rows     Bytes     Cost     Object Node     In/Out     PStart     PStop
    SELECT STATEMENT Optimizer Mode=ALL_ROWS     1           4958                     
    SORT AGGREGATE          1                               
    VIEW          235           4958                     
    MINUS                                        
    SORT UNIQUE          235      124 K     703                     
    CONCATENATION                                        
    HASH JOIN OUTER          219      115 K     271                     
    NESTED LOOPS          2      870      211                     
    NESTED LOOPS          2      826      209                     
    HASH JOIN          47      12 K     66                     
    FILTER          74      5 K     60                     
    REMOTE                         SERIAL          
    REMOTE          1      105      2      SERIAL          
    REMOTE          t1(source) 1      75      1      SERIAL          
    REMOTE          t3(source) 1      22      1      SERIAL          
    REMOTE          t2(source) 11 K     1 M     59      SERIAL          
    HASH JOIN OUTER          16      8 K     431                     
    NESTED LOOPS          1      435      371                     
    NESTED LOOPS          1      360      370                     
    NESTED LOOPS          115      37 K     255                     
    HASH JOIN          47      12 K     66                     
    REMOTE          t4(source) 74      5 K     60      SERIAL          
    NESTED LOOPS          106      20 K     5                     
    REMOTE          t5(source) 1      105      2      SERIAL          
    REMOTE          t6(source) 106      9 K     3      SERIAL          
    REMOTE          t7(source) 128      4      SERIAL          
    REMOTE          t3(source) 1      22      1      SERIAL          
    REMOTE          t1(source) 1      75      1      SERIAL          
    REMOTE          t2(source) 11 K     1 M     59      SERIAL          
    SORT UNIQUE          7 K     439 K     4256                     
    HASH JOIN          7 K     439 K     4183                     
    TABLE ACCESS FULL     t1(target)      12 K     474 K     88                     
    TABLE ACCESS FULL     t2(target) 373 K     8 M     4076

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    Bill Loggins
    801-971-6837
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  • MINUS operator fetches invalid record count

    Hi,
    One of the application team complained that oracle MINUS operator fetches an invalid record count after data load.
    Here are the details of the data load:
    They are using source as PROD and target as UAT.
    They are replicating the data on UAT environment in schema A from fetching the data in PROD from the same schema.
    After load when we query the count of records in UAT it shows more records in target, that is in UAT, than PROD.
    When they use MINUS operator to fetch the extra records in UAT, it shows no rows selected.
    SQL> select 'A' count(1) from A.UAT union all select 'A' count(1) from A.PROD@BISLSPD1;
    A COUNT(1)
    A.UAT 19105022
    A.PROD 19104995
    SQL> select distinct count(*) from (select distinct DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.UAT minus select distinct DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.PROD@BISLSPD1);
    COUNT(*)
    0
    SQL> select distinct DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.UAT minus select distinct DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.PROD@BISLSPD1
    no rows selected
    Please note that both are partitioned tables and they are using Informatica Data Replication 9.5 tool to populate the data from source to target.
    Not sure if this could be a bug or an issue.
    PROD DB Version: 10.2.0.5
    UAT DB Version: 10.2.0.5
    Both are in Linux 2.6
    Please throw some light on this.

    974065 wrote:
    SQL> select 'A' count(1) from A.UAT union all select 'A' count(1) from A.PROD@BISLSPD1;
    A                  COUNT(1)
    A.UAT                     19105022
    A.PROD                   19104995
    SQL> select distinct count(*) from (select distinct  DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.UAT minus select distinct DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.PROD@BISLSPD1);
    COUNT(*)
    0
    SQL> select distinct  DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.UAT minus select distinct DW_DISCOUNT_KEY, DW_DISCOUNT_MODIFIER_KEY from A.PROD@BISLSPD1
    no rows selected
    Given that you've go "distinct" in your query, you're eliminating duplicates from each table (and MINUS implicitly means distinct anyway). Check for duplicates (of dw_discount_key, dw_discount_modifier_key) in both tables.
    If the combination is actually unique, I would check that you actually had the raw results the right way round - MINUS is not symmetrical, and for a complete picture you need to look at (select from uat minus select from prod) union all (select from prod minus select from uat)
    Regards
    Jonathan Lewis

  • Instead of Minus operation any other ?

    Hi,
    Master Table : book_master
    Master_Pk_No Book_Name Version_no I_User Initial_id
    10 Book1 0 XXX 10
    20 Book1 1 XXX 10
    30 Book1 2 XXX 10
    # Initial id will be same as Master_Pk_No first number
    # I have to take the latest version ( 2 ) and compare with the older version if any records
    are availble in older version i have to fetch that and append that with the
    Child Table : source
    C_PK_NO SEQ_SOURCE UNIT_SEQ O_User
    10 1 1 XXX
    10 2 1 abc
    10 3 2 abc
    10 4 1 ggg
    10 5 2 ggg
    10 6 3 abc
    10 7 4 abc
    20 1 1 XXX
    20 2 1 abc
    20 3 2 abc
    20 4 1 ggg
    20 5 2 ggg
    20 6 1 zzz
    30 1 1 XXX
    30 2 1 abc
    30 3 2 abc
    30 4 1 ggg
    30 5 2 ggg
    30 6 2 XXX
    SELECT seq_source, o_user, unit_seq
    FROM SOURCE
    WHERE c_pk_no IN ( SELECT master_pk_no FROM AER
    WHERE book_name = 'Book1'
    AND version_no = 0 )
    MINUS
    SELECT seq_source, o_user, unit_seq
    FROM SOURCE
    WHERE c_pk_no IN ( SELECT master_pk_no FROM AER
    WHERE book_name = 'Book1'
    AND version_no = 2) ;
    If i execute this query i will get the below result .
    C_PK_NO SEQ_SOURCE UNIT_SEQ O_User
    10 6 3 abc
    10 7 4 abc
    SELECT seq_source, o_user, unit_seq
    FROM SOURCE
    WHERE c_pk_no IN ( SELECT master_pk_no FROM AER
    WHERE book_name = 'Book1'
    AND version_no = 1 )
    MINUS
    SELECT seq_source, o_user, unit_seq
    FROM SOURCE
    WHERE c_pk_no IN ( SELECT master_pk_no FROM AER
    WHERE book_name = 'Book1'
    AND version_no = 2) ;
    C_PK_NO SEQ_SOURCE UNIT_SEQ O_User
    20 6 1 zzz
    is it possible to achieve this without minus operation ?
    Regards,
    KBG.

    And here is the test:
    SQL> WITH BOOK_MASTER AS(
      2                      SELECT 10 master_pk_no,'Book1' book_name,0 version_no,'XXX' i_user,10 Initial_id from dual union all
      3                      SELECT 20,'Book1',1,'XXX',10 from dual union all
      4                      SELECT 30,'Book1',2,'XXX',10 from dual
      5                     ),
      6           SOURCE AS (
      7                      SELECT 10 c_pk_no,1 seq_source,1 unit_seq,'XXX' o_user from dual union all
      8                      SELECT 10,2,1,'abc' from dual union all
      9                      SELECT 10,3,2,'abc' from dual union all
    10                      SELECT 10,4,1,'ggg' from dual union all
    11                      SELECT 10,5,2,'ggg' from dual union all
    12                      SELECT 10,6,3,'abc' from dual union all
    13                      SELECT 10,7,4,'abc' from dual union all
    14                      SELECT 20,1,1,'XXX' from dual union all
    15                      SELECT 20,2,1,'abc' from dual union all
    16                      SELECT 20,3,2,'abc' from dual union all
    17                      SELECT 20,4,1,'ggg' from dual union all
    18                      SELECT 20,5,2,'ggg' from dual union all
    19                      SELECT 20,6,1,'zzz' from dual union all
    20                      SELECT 30,1,1,'XXX' from dual union all
    21                      SELECT 30,2,1,'abc' from dual union all
    22                      SELECT 30,3,2,'abc' from dual union all
    23                      SELECT 30,4,1,'ggg' from dual union all
    24                      SELECT 30,5,2,'ggg' from dual union all
    25                      SELECT 30,6,2,'XXX' from dual
    26                     )
    27  SELECT  s.seq_source,
    28          s.o_user,
    29          s.unit_seq
    30    FROM  SOURCE s,
    31          BOOK_MASTER a
    32    WHERE s.c_pk_no = a.master_pk_no
    33      AND a.book_name = 'Book1'
    34      AND a.version_no IN (0,2)
    35    GROUP BY s.seq_source,
    36             s.o_user,
    37             s.unit_seq
    38    HAVING MAX(a.version_no) = 0
    39  /
    SEQ_SOURCE O_U   UNIT_SEQ
             6 abc          3
             7 abc          4
    SQL> WITH BOOK_MASTER AS(
      2                      SELECT 10 master_pk_no,'Book1' book_name,0 version_no,'XXX' i_user,10 Initial_id from dual union all
      3                      SELECT 20,'Book1',1,'XXX',10 from dual union all
      4                      SELECT 30,'Book1',2,'XXX',10 from dual
      5                     ),
      6           SOURCE AS (
      7                      SELECT 10 c_pk_no,1 seq_source,1 unit_seq,'XXX' o_user from dual union all
      8                      SELECT 10,2,1,'abc' from dual union all
      9                      SELECT 10,3,2,'abc' from dual union all
    10                      SELECT 10,4,1,'ggg' from dual union all
    11                      SELECT 10,5,2,'ggg' from dual union all
    12                      SELECT 10,6,3,'abc' from dual union all
    13                      SELECT 10,7,4,'abc' from dual union all
    14                      SELECT 20,1,1,'XXX' from dual union all
    15                      SELECT 20,2,1,'abc' from dual union all
    16                      SELECT 20,3,2,'abc' from dual union all
    17                      SELECT 20,4,1,'ggg' from dual union all
    18                      SELECT 20,5,2,'ggg' from dual union all
    19                      SELECT 20,6,1,'zzz' from dual union all
    20                      SELECT 30,1,1,'XXX' from dual union all
    21                      SELECT 30,2,1,'abc' from dual union all
    22                      SELECT 30,3,2,'abc' from dual union all
    23                      SELECT 30,4,1,'ggg' from dual union all
    24                      SELECT 30,5,2,'ggg' from dual union all
    25                      SELECT 30,6,2,'XXX' from dual
    26                     )
    27  SELECT  s.seq_source,
    28          s.o_user,
    29          s.unit_seq
    30    FROM  SOURCE s,
    31          BOOK_MASTER a
    32    WHERE s.c_pk_no = a.master_pk_no
    33      AND a.book_name = 'Book1'
    34      AND a.version_no IN (1,2)
    35    GROUP BY s.seq_source,
    36             s.o_user,
    37             s.unit_seq
    38    HAVING MAX(a.version_no) = 1
    39  /
    SEQ_SOURCE O_U   UNIT_SEQ
             6 zzz          1
    SQL> SY.

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