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标题: ORA-39271: Cannot alter substitutability of column: string [打印本页]
作者: 曾春华 时间: 2016-9-8 17:31
标题: ORA-39271: Cannot alter substitutability of column: string
ORA-39271: Cannot alter substitutability ofcolumn: string
Cause: DBMS_METADATA_DIFF wascomparing two table columns. This error
may occur because the first column is substitutable andthe second column is not,
or because the first column is OF TYPE and the secondcolumn is substitutable.
Action: The difference cannot beeliminated with an SQL ALTER statement.
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