Database Error Messages

Release
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  • 23ai
  • 21c
  • 19c
Updated
Jun 24, 2024

ORA-12838

cannot read/modify an object after modifying it in parallel

Cause

Within the same transaction, an attempt was made to add read or modification statements on a table after it had been modified in parallel or with direct load. This is not permitted.


Action

Rewrite the transaction, or break it up into two transactions: one containing the initial modification and the second containing the parallel modification operation.