Oracle Database Errors or Warnings from Error ORA-01751 to ORA-01761

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ORA-01751: Invalid dump undo option
Cause: An invalid option is specified in the ALTER DUMP UNDO command.
Action: Correct and reissue the command.
ORA-01752: cannot delete from view without exactly one key-preserved table
Cause: The deleted table had
– no key-preserved tables,
– more than one key-preserved table, or
– the key-preserved table was an unmerged view.

Action: Redefine the view or delete it from the underlying base tables.
ORA-01754: a table may contain only one column of type LONG
Cause: An attempt was made to add a LONG column to a table which already had a LONG column. Note that even if the LONG column currently in the table has already been marked unused, another LONG column may not be added until the unused columns are dropped.
Action: Remove the LONG column currently in the table by using the ALTER TABLE command.
ORA-01755: Must specify an extent number or block number

Cause: Expecting an extent or block number but something else was specified.
Action: Correct the error and reissue the command.
ORA-01757: Must specify an object number
Cause: Expecting an object number but something else was specified.
Action: Correct the error and reissue the command.
ORA-01761: DML operation does not map to a unique table in the join
Cause: The primary table is the base table against which the update, insert or delete operation is finally being done. For delete either there is no primary table in the join query or there is more than one. For update or insert the columns specified map to more than one base table.
Action: Change the join specification.

Above are list of Oracle Database Errors or Warnings from Error ORA-01751 to ORA-01761 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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