Query rewrite clause getting error

Hi all;
I did not complete Query rewrite clause (M.view) , when trying to enable i am getting error
and i have asked this question " https://forums.oracle.com/forums/thread.jspa?threadID=2543789 "
Question wrongly posted under data communication model. - So this is not a duplicate thread.
please reply me what was missing here ?
SQL> alter system set query_rewrite_enabled='TRUE' scope=SPFILE;
SQL> grant query rewrite to ****;
Grant succeeded.
conn xxx/xxxx@xxxxxx
1. SQL> ALTER SESSION SET OPTIMIZER_MODE = FIRST_ROWS/
Session altered.
2. SQL> alter session set query_rewrite_enabled=true;
Session altered.
3. SQL> execute dbms_stats.gather_table_stats('rose', 'mv1');
PL/SQL procedure successfully completed.
4. SQL> exec dbms_mview.explain_rewrite('select * from sales','MV1');
BEGIN dbms_mview.explain_rewrite('select from sales','MV1'); END;*
*ERROR at line 1:
ORA-30380: REWRITE_TABLE does not exist
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 3085
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 3206
ORA-06512: at line 1Thanks in advance ..

Expain plan before utlxrw.sql execution SQL> select count(*), sum(quan_sold), sum(amt_sold) from sales;
COUNT(*) SUM(QUAN_SOLD) SUM(AMT_SOLD)
6000000 12000000 720480000
Elapsed: 00:00:00.03
Execution Plan
Plan hash value: 2958490228 | Id | Operation | Name | Rows | Bytes | Cost (CPU)| Time
0 | SELECT STATEMENT | | 1 | *40* | 3 (0) | 00:00 :01
1 | MAT_VIEW REWRITE ACCESS FULL | MV1 | 1 | *40* | 3 (0) | 00:00 :01
SQL> @$ORACLE_HOME/rdbms/admin/utlxrw.sql;
Table created.
SQL> exec dbms_mview.explain_rewrite('select * from sales','MV1');
PL/SQL procedure successfully completed.
SQL> select count(*), sum(quan_sold), sum(amt_sold) from sales;COUNT(*) SUM(QUAN_SOLD) SUM(AMT_SOLD)
6000000 12000000 720480000
Execution Plan
Plan hash value: 2958490228
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 1 | *11* | 3 (0) | 00:00:01 |
| 1 | MAT_VIEW REWRITE ACCESS FULL | MV1 | 1 | *11* | 3 (0) | 00:00:01 |
but i do NOT find any difference after enabling Query rewrite clause .. please clarify this ..
bytes only changed.

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I have a customer dimension with only one level. The lowest level of detai.
When I enable the query rewrite I get an error (see below) about ragged or skipped level hierarchy in my customer dimension. I am trying to figure out what the issue is so I created a one level customer hierarchy (lowest level) and I still get the error.
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Hi there,
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OLAP Blog: http://oracleOLAP.blogspot.com
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OLAP on OTN: http://www.oracle.com/technology/products/bi/olap/index.html
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Can someone see why im getting error in this query ?

I had 2 queries , instead of using left join i put them together. Now i get error , can someone just take a look to see if syntax wrong somewhere ?
select * from
select i.ips,
a.ips,
a.question_type,
sum(a.score) score,
p.project_name,
p.project_segment,p.location,p.project_exec_model,
p.project_exec_model||' - '||p.project_config pmodel,
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from
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decode(bi_recurse(q.active_question,1,2),2,'OTR','-')||decode(bi_recurse(q.active_question,1,1),1,'ITO','-') question_type
from VW_RISK_SCORE v left join tbl_risk_question q on v.question_id=q.question_id
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(select project_id,max(sample_num) sample_num from VW_RISK_SCORE group by project_id)
) a,
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(select ips, sum(score) score from VW_RISK_SCORE where section_area=1 group by ips) one,
(select ips, sum(score) score from VW_RISK_SCORE where section_area=2 group by ips) two,
(select ips, sum(score) score from VW_RISK_SCORE where section_area=3 group by ips) three,
(select ips, sum(score) score from VW_RISK_SCORE where section_area=4 group by ips) four,
tbl_risk_project p
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and i.ips=p.ips and a.question_type='-ITO' group by i.ips,a.ips, a.question_type, p.project_name, p.project_segment, p.location, p.project_exec_model, p.project_exec_model||' - '||p.project_config, one.score, two.score, three.score, four.score, nvl(one.score,0)+nvl(two.score,0)+nvl(three.score,0)+nvl(four.score,0), (select sum(prev_score) prev from XT_RISK_PAST2 where ips = i.ips), (select max(createdt) from tbl_risk_answer where (ips,sample_num) in
(select ips,max(sample_num) from VW_RISK_SCORE group by ips) and ips=i.ips)
) scores and here is error I get.
ORA-00604: error occurred at recursive SQL level 1
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 12
ORA-00920: invalid relational operator
00604. 00000 - "error occurred at recursive SQL level %s"
*Cause:    An error occurred while processing a recursive SQL statement
(a statement applying to internal dictionary tables).
*Action:   If the situation described in the next error on the stack
can be corrected, do so; otherwise contact Oracle Support.
Error at Line: 30 Column: 4

You would move them to the from-clause, just like one, two, three and four.
Something like:
untested for obvious reasons
select *
from (select i.ips,
               a.ips,
               a.question_type,
               sum(a.score) score,
               p.project_name,
               p.project_segment,
               p.location,
               p.project_exec_model,
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               three.score execution,
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               (select sum(prev_score) prev
                  from xt_risk_past2
                 where ips = i.ips) prev_score,
               (select max(createdt)
                  from tbl_risk_answer
                 where (ips, sample_num) in
                       (select ips, max(sample_num)
                          from vw_risk_score
                         group by ips)
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          from (select v.project_id,
                       v.ips,
                       v.sample_num,
                       v.question_id,
                       v.header_desc,
                       v.section_area,
                       v.score,
                       decode(bi_recurse(q.active_question, 1, 2),
                              2,
                              'OTR',
                              '-') ||
                       decode(bi_recurse(q.active_question, 1, 1),
                              1,
                              'ITO',
                              '-') question_type
                  from vw_risk_score v
                  left join tbl_risk_question q
                    on v.question_id = q.question_id
                 where (v.project_id, v.sample_num) in
                       (select project_id, max(sample_num) sample_num
                          from vw_risk_score
                         group by project_id)) a,
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               (select ips, sum(score) score
                  from vw_risk_score
                 where section_area = 1
                 group by ips) one,
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                  from vw_risk_score
                 where section_area = 2
                 group by ips) two,
               (select ips, sum(score) score
                  from vw_risk_score
                 where section_area = 3
                 group by ips) three,
               (select ips, sum(score) score
                  from vw_risk_score
                 where section_area = 4
                 group by ips) four,
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                       sum(prev_score) prev
                  from xt_risk_past2
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                 max(createdt) maxcreatedt
                from tbl_risk_answer
               where (ips, sample_num) in (select ips, max(sample_num)
                                              from vw_risk_score
                                          group by ips)
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           and i.ips = three.ips(+)
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http://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:1594885400346999596
Read up on Subquery Factoring/WITH-clause, and try to rewrite parts of your query.
http://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:4423923392083

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--------------------system description--------------
SAP Sourcing 9.0
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----------------------Error Description---------------
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ROUND(DECODE(SUM(total_asset), 0, 0, SUM(allow)/SUM(total_asset)*100)) total_allw_pctutl,
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--execution plan
SELECT STATEMENT     ALL_ROWS     12     291     17460
HASH(GROUP BY)          12     291     17460
MAT_VIEW REWRITE ACCESS(FULL) RPLANSWEB.MV_FCG_ALL_SUMMARY_TAB     ANALYZED     11     291     17460                         "MV_FCG_ALL_SUMMARY_TAB"."YEAR"=2007
--execution plan from sql workshop (application express)
SELECT STATEMENT 42,341 55 3,882 1,990,027
HASH GROUP BY 42,341 55 3,882 1,990,027
TABLE ACCESS FULL SUMMARY_TAB_DD 109,158 47 3,329 5,130,426 "YEAR" = 2007
--execution plan from an APEX page (displayed from v$sql and V$SQL_PLAN)
OPERATION: SELECT STATEMENT OPTIONS: OBJECT_NAME: OBJECT_ALIAS: OBJECT_TYPE: OPTIMIZER: ALL_ROWS SEARCH_COLUMNS: 0 COST: 4600 CARDINALITY: BYTES: CPU_COST: IO_COST: ACCESS_PREDICATES: FILTER_PREDICATES: PROJECTION:
OPERATION: HASH OPTIONS: GROUP BY OBJECT_NAME: OBJECT_ALIAS: OBJECT_TYPE: OPTIMIZER: SEARCH_COLUMNS: 0 COST: 4600 CARDINALITY: 109158 BYTES: 8732640 CPU_COST: 549150132 IO_COST: 4569 ACCESS_PREDICATES: FILTER_PREDICATES: PROJECTION: "FCG"[VARCHAR2,6], "FCG_DESC"[VARCHAR2,15], SUM("PERM_DEFICIT")[22], SUM("PERM_EXCESS")[22], SUM("SATISFY_RQMT")[22], SUM("TEMP_EXCESS")[22], SUM("ALL_PERM_EXCESS")[22], SUM("ALL_PERM_DEFICIT")[22], SUM("PERM_ASSET")[22]
OPERATION: TABLE ACCESS OPTIONS: FULL OBJECT_NAME: SUMMARY_TAB_DD OBJECT_ALIAS: SUMMARY_TAB_DD@SEL$1 OBJECT_TYPE: TABLE OPTIMIZER: SEARCH_COLUMNS: 0 COST: 3329
as you can see while executing the script in sql developer the optimizer is finding the relevant materialized view, not in the case of APEX's SQL Workshop or Page.
appreciate your time

Getting error while executing the SQL ( ver 8.1.7.0.0)

I am running a simple query involved with joins. When i ran the query with first set of criteria mentioned in the WHERE clause there is no problem. But when I try to run the same just by doing some correction in the WHERE clause, following errors is shown. I tried doing this from TOAD and SQL Analyser. I am getting the same output.
ORA-01114: IO error writing block to file 4 (block # 524242)
ORA-27069: skgfdisp: attempt to do I/O beyond the range of the file
OSD-04026: Invalid parameter passed. (OS 524247)
ORA-01114: IO error writing block to file 4 (block # 524242)
ORA-27069: skgfdisp: attempt to do I/O beyond the range of the file
OSD-04026: Invalid parameter passed. (OS 524247)
Can anyone suggest what is this error all about and resolution for the same. Thanks.
Regards
Srinivasan B

Could be a problem with your temp tablespace. Especially if your query is doing a large sort (merge) operation. Usually a simple select does not write any IO. With expetion from the temp tablespace. But I would have expected another error message then.
Without exactly knowing what the problem is i'm hesitant to give an advice. But rethinking your query could be a good starting point.
Message was edited by:
Sven Weller

Using DBMS_METADATA.GET_DDL get error: ORA-00907: missing right parenthesis

Hi,
I'm trying to extract schema DDL from a database (10.2.0.4.0 - 64bit Enterprise Edition on Solaris 10). I run the query below and get an ORA-00907: missing right parenthesis error.
SELECT DBMS_METADATA.GET_DDL( REPLACE(object_type,' ','_') AS object_type, object_name) FROM user_objects WHERE object_type NOT IN ('TABLE_PARTITION','INDEX_PARTITION','LOB');
This is the output when running the above in sqlplus worksheet
select DBMS_METADATA.GET_DDL( REPLACE(object_type,' ','_') as object_type, object_name) FROM user_objects where object_type not in ('TABLE_PARTITION','INDEX_PARTITION','LOB')
ERROR at line 1:
ORA-00907: missing right parenthesis
removing the where clause gives the following:
select DBMS_METADATA.GET_DDL( REPLACE(object_type,' ','_') as object_type, object_name) FROM user_objects
ERROR at line 1:
ORA-00907: missing right parenthesis
Any pointers would be gratefully received. I know I could get the DDL out using exp/imp but I want to understand why I'm getting the missing parenthesis error.
cheers,
Ewan

SELECT DBMS_METADATA.GET_DDL( REPLACE(object_type,' ','_') AS object_type, object_name) FROM user_objects WHERE object_type NOT IN You don't need an alias here. Get rid of " AS object_type" and it should work.

Query rewrite clause getting error

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