Oracle Database Errors or Warnings from Error ORA-30451 to ORA-30460

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ORA-30451: internal error
Cause: An internal error was detected by the summary refresh subsystem, and aborted the refresh operation
Action: Notify ORACLE support.
ORA-30452: cannot compute AVG(X), VARIANCE(X) or STDDEV(X), without COUNT(X) or SUM(X)
Cause: Incremental refresh of summaries requires a COUNT(X) column in order to incrementally refresh AVG(X). It requires both SUM(X) and COUNT(X) columns in order to in refresh STDDEV(X) or VARIANCE(X)
Action: Make sure that the required columns are part of the summary definition if incremental refresh capability is desired.
ORA-30453: summary contains AVG without corresponding COUNT
Cause: Incremental refresh of summaries with AVG(X) requires a COUNT(X) column to be included in the summary definition
Action: Make sure that the required columns are part of the summary definition if incremental refresh capability is desired.

ORA-30454: summary contains STDDEV without corresponding SUM & COUNT
Cause: Incremental refresh of summaries with STDDEV(X) requires COUNT(X) and SUM(X) columns to be included in the summary definition
Action: Make sure that the required columns are part of the summary definition if incremental refresh capability is desired.
ORA-30455: summary contains VARIANCE without corresponding SUM & COUNT
Cause: Incremental refresh of summaries with VARIANCE(X) requires COUNT(X) and SUM(X) columns to be included in the summary definition
Action: Make sure that the required columns are part of the summary definition if incremental refresh capability is desired.
ORA-30456: ‘string.string’ cannot be refreshed because of insufficient privilege
Cause: The user lacks one or more permissions that are required in order to refresh summaries.
Action: Make sure that the user is granted all required privileges.

ORA-30457: ‘string.string’ cannot be refreshed because of unmnanaged NOT NULL columns in container
Cause: The container object for the summary contains one or more unmanaged columns do not allow nulls, and which do not specify a default valur for those columns.
Action: Make sure that default values are specified for all NOT NULL columns that are not part of the summary definition.
ORA-30458: ‘string.string’ cannot be refreshed because the refresh mask is string
Cause: An attempt was made to incrementally refresh a summary that is not incrementally refreshable.
Action: Do not attempt to incrementally refresh the summary; use full refresh instead.
ORA-30459: ‘string.string’ cannot be refreshed because the refresh method is NONE
Cause: An attempt was made to refresh a summary whose refresh method is NONE
Action: Summaries whose refresh method is NONE (NEVER REFRESH) cannot be refreshed. Alter the summary to change the default refresh method from NONE to some other value.
ORA-30460: ‘string.string’ cannot be refreshed because it is marked UNUSABLE
Cause: An attempt was made to refresh a summary which is UNUSABLE
Action: Determine why the summary is UNUSABLE, re-enable it, and retry the refresh.

Above are list of Oracle Database Errors or Warnings from Error ORA-30451 to ORA-30460 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database. Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

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