Recent questions tagged undo

1 answer 325 views

What happens for Expired Undo blocks?

asked in Undo Management by UNIRAC ACE (20,920 points)

2 answers 473 views

In what Scenario - Undo can use?

asked in Undo Management by UNIRAC ACE (20,920 points)

1 answer 290 views

How to calculate the Optimal Undo Size?

asked in Undo Management by UNIRAC ACE (20,920 points)

1 answer 6,199 views

ORA-01555 caused by SQL statement below (SQL ID: 1jbsz487ky3m3, Query Duration=1344323310 sec, SCN: 0x0000.380520e6)

asked in Undo Management by UNIRAC ACE (20,920 points)

2 answers 947 views

ORA-01555: snapshot too old: rollback segment number 70 with name "_SYSSMU70$" too small

asked in Undo Management by UNIRAC ACE (20,920 points)

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