Database Error Messages

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Updated
Jun 24, 2024

OCI-01640

cannot make tablespace read-only with changes by in-doubt transactions

Cause

An attempt was made to alter a tablespace read-only while there were changes in the tablespace made by in-doubt distributed transactions. The in-doubt transactions must commit or rollback to ensure that there is no undo for a tablespace before it can be made read-only.


Action

Any in-doubt transactions that made changes to the tablespace must be resolved.