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标题: ORA-22951: NULL returned by ORDER method [打印本页]

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作者: admin    时间: 2016-9-1 08:29
标题: ORA-22951: NULL returned by ORDER method
ORA-22951: NULL returned by ORDER method
Cause: ORDER method used tocompare two object values returned NULL which
is not allowed.
Action: Redefine the ORDERmethod to not return a NULL.

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