Oracle Database Errors or Warnings from Error ORA-01451 to ORA-01470



ORA-01451: column to be modified to NULL cannot be modified to NULL
Cause: the column may already allow NULL values, the NOT NULL constraint is part of a primary key or check constraint.
Action: if a primary key or check constraint is enforcing the NOT NULL constraint, then drop that constraint.
ORA-01453: SET TRANSACTION must be first statement of transaction
Cause: self-evident
Action: commit (or rollback) transaction, and re-execute

ORA-01456: may not perform insert/delete/update operation inside a READ ONLY transaction
Cause: A non-DDL insert/delete/update or select for update operation was attempted
Action: commit (or rollback) transaction, and re-execute
ORA-01463: cannot modify column datatype with current constraint(s)
Cause: An attempt was made to modify the datatype of column which has referential constraints; or has check constraints which only allows changing the datatype from CHAR to VARCHAR or vise versa.
Action: Remove the constraint(s) or do not perform the offending operation.

ORA-01466: unable to read data – table definition has changed
Cause: Query parsed after tbl (or index) change, and executed w/old snapshot
Action: commit (or rollback) transaction, and re-execute
ORA-01469: PRIOR can only be followed by a column name
Cause: Attempting to specify “PRIOR <something>” where <something> is not a column name.
Action: Only a column name can follow PRIOR. Replace with a column name.
ORA-01470: In-list iteration does not support mixed operators
Cause: Constants of different types are specified in an in-list.
Action: Use constants of same type for in-lists.

Above are list of Oracle Database Errors or Warnings from Error ORA-01451 to ORA-01470 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.

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


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