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标题: ORA-39270: Cannot alter a LOB column to another data type. [打印本页]

作者: 曾春华 时间: 2016-9-8 17:32
标题: ORA-39270: Cannot alter a LOB column to another data type.

ORA-39270: Cannot alter a LOB column toanother data type.

Cause: DBMS_METADATA_DIFF wascomparing two table columns, the first of

type CLOB, NCLOB or BLOB, the second of some other datatype. There is no SQL

ALTER statement to change the data type of a LOB column.

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

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