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Hi All,
I have scenario like below:
Requirement - Need to select ID values those are present ( hidden) in DESCR column. But no joining condition in both the tables.
Query I have used -
Problem Faced - Query is working correctly as per requirement. But in Production environment it getting rejected bcoz of some Product Join Rejection rule.
I tried running explain plan, though with minimal of data it is showing 1 hours and 30 minutes for subquery only.
Can anyone please suggest how should subquery be tuned ? I can not use Cross join !!
Many Thanks in advance..!!