ORA-39269: Cannot alter a column of type LONG to anything other than LOB.

曾春华

ORA-39269: Cannot alter a column of type LONGto anything other than LOB.

Cause: DBMS_METADATA_DIFF wascomparing two table columns, the first of

type LONG, the second of a data type other than LOB. Thereis no SQL ALTER

statement to modify a long data type to anything otherthan a CLOB or NCLOB.

Action: The difference cannot beeliminated with an SQL ALTER statement.