Oracle Database Errors or Warnings from Error ORA-22856 to ORA-22864

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ORA-22856: cannot add columns to object tables
Cause: An attempt was made to add columns to an object table. Object tables cannot be altered to add columns since its definition is based on an object type.
Action: Create a new type with additional attributes, and use the new type to create an object table. The new object table will have the desired columns.
ORA-22857: cannot modify columns of object tables
Cause: An attempt was made to alter the object table by modifing existing columns. An object table cannot be altered to modify existing columns since it is based on an object type. The table definition must be in sync with the corresponding type.
Action: Create a new type with the desired attribute types and use it to create an object table. The new object table will have the desired columns.
ORA-22858: invalid alteration of datatype
Cause: An attempt was made to modify the column type to object, REF, nested table, VARRAY or LOB type.
Action: Create a new column of the desired type and copy the current column data to the new type using the appropriate type constructor.

ORA-22859: invalid modification of columns
Cause: An attempt was made to modify an object, REF, VARRAY, nested table, or LOB column type.
Action: Create a new column of the desired type and copy the current column data to the new type using the appropriate type constructor.
ORA-22860: object type expected
Cause: An attempt was made to create an object table using a non- object type, or to create a column that is a REF to a non-object type.
Action: Use a valid object type in the table or column definition.
ORA-22861: invalid user-defined type
Cause: An attempt was made to create a column or object table of a non- existent type.
Action: Specify a valid type in the table or column definition.

ORA-22862: specified object identifier doesn’t match existing object identifier
Cause: An attempt was made to specify an object identifier for the type that does not match the existing identifier of the incomplete type of the same name.
Action: Specify the correct object identifier or leave it out of the statement.
ORA-22863: synonym for datatype string.string not allowed
Cause: A synonym specification for a datatype is not supported
Action: do not use the synonym for the datatype
ORA-22864: cannot ALTER or DROP LOB indexes
Cause: An attempt was made to ALTER or DROP a LOB index.
Action: Do not operate directly on the system-defined LOB index. Perform operations on the corresponding LOB column.

Above are list of Oracle Database Errors or Warnings from Error ORA-22856 to ORA-22864 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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