It seems that oracle ignors the where clausal.
Hello
Can anyone explain why this query don't work and how I can make it work.
select movie.title, store.id from movie,store where trunc(dbms_random.value(0,100)) <= 75;
Hi,
SQL> select empno,ename,salesmanid,name
2 from emp,salesman
3 ;
EMPNO ENAME SALESMANID NAME
7369 SMITH 1 Christina
7499 ALLEN 1 Christina
7521 WARD 1 Christina
7566 JONES 1 Christina
7654 MARTIN 1 Christina
7698 BLAKE 1 Christina
7782 CLARK 1 Christina
7788 SCOTT 1 Christina
7839 KING 1 Christina
7844 TURNER 1 Christina
7876 ADAMS 1 Christina
EMPNO ENAME SALESMANID NAME
7900 JAMES 1 Christina
7902 FORD 1 Christina
7934 MILLER 1 Christina
7369 SMITH 2 Doug
7499 ALLEN 2 Doug
7521 WARD 2 Doug
7566 JONES 2 Doug
7654 MARTIN 2 Doug
7698 BLAKE 2 Doug
7782 CLARK 2 Doug
7788 SCOTT 2 Doug
EMPNO ENAME SALESMANID NAME
7839 KING 2 Doug
7844 TURNER 2 Doug
7876 ADAMS 2 Doug
7900 JAMES 2 Doug
7902 FORD 2 Doug
7934 MILLER 2 Doug
28 rows selected.
SQL> select empno,ename,salesmanid,name
2 from emp,salesman
3 where rownum < (select count(*)*0.75 from emp,salesman)
4 /
EMPNO ENAME SALESMANID NAME
7369 SMITH 1 Christina
7499 ALLEN 1 Christina
7521 WARD 1 Christina
7566 JONES 1 Christina
7654 MARTIN 1 Christina
7698 BLAKE 1 Christina
7782 CLARK 1 Christina
7788 SCOTT 1 Christina
7839 KING 1 Christina
7844 TURNER 1 Christina
7876 ADAMS 1 Christina
EMPNO ENAME SALESMANID NAME
7900 JAMES 1 Christina
7902 FORD 1 Christina
7934 MILLER 1 Christina
7369 SMITH 2 Doug
7499 ALLEN 2 Doug
7521 WARD 2 Doug
7566 JONES 2 Doug
7654 MARTIN 2 Doug
7698 BLAKE 2 Doug
20 rows selected.
SQL> Nicolas.
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Oracle Ignores hint in One Instance and uses the hint in another instance
Hi Oracle World,
I am experiencing a strange problem in Oracle.
We have two oracle servers: one for Test and one for Production.
We have exactly the same code for a view in both the systems:
The code is as follows:
CREATE OR REPLACE FORCE VIEW V_FT(...................)
AS
SELECT /*+ star_transformation fact (FT) */
FT.*, AH.ACCT_1, LH.REGION, FH.FNCT_1
FROM
LOCATION_HIERARCHY LH,
ACCOUNT_HIERARCHY AH,
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FACT_TABLE FT
WHERE
LH.COMPANY = FT.COMPANY
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AND FH.FUNCTIONR = FT.FUNCTION;
When I see the execution path:
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But In Production, It tatally ignores the table name from the hint.
Also it converts all the tables names to lower case: though it shouldn't impact, I have also tried to give the table names in lower case and then tried. Same issue.
Tried with NO_MERGE hint. It was pretty good in Test but same issue in Production: it ignoes the table name from hint.
I have taken out the table name from test and then tested. Now both the explain plans match. That proves oracle ignores the table name in Production.
We have compared all the parameters in both. They are 100% same. All indexes are analyzed. Can anyone please help what could be the fundamental difference that causes this difference?
Production takes 8 minutes for a specific query whereas Test returns the same query in 45 secs. Data volume is also not very much different except few hundreds.
Any pointers please?
Thanks & Regards
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