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Sort merge join fails with ORA-03113 and reports ORA-07445:

in SQL Performance (MOSC) 8 commentsAnswered

Oracle database 19.13.

One the SQL which is old job is failing with ORA-03113 and reports ORA-07445 in alert log. When I checked SQL has changed the and ended with ORA-03113 . When SQL failed it is going with Sort merge join.


When the Same SQL executed and used Hash join it completed and processed records.


We performed 2 test cases

1) I used (USE_MERGE) hint in SQL and it failed.

2) I Used (NO_USE_MERGE) hint in SQL and it completed and processed records.


Can someone please help if any know bugs for sort merge join or help me with steps to understand more on sort merge join.

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