标题: ORA-29657: class defined in EXTERNAL NAME [打印本页] 作者: admin 时间: 2016-9-3 20:18 标题: ORA-29657: class defined in EXTERNAL NAME ORA-29657: class defined in EXTERNAL NAME clause is used in anothersubtype Cause: The supertype has anexisting type that has the same value for the
EXTERNAL NAME. Action: Make sure theEXTERNAL NAME clause is unique among subtypes.