文档解释 ORA-29508: query derived from USING clause did not select a value of type string Cause: The USING clause did not form a query that selects ……

文档解释 ORA-29506: invalid query derived from USING clause Cause: The USING clause did not form a valid query. Action: Correct the USING clause. ……

文档解释 ORA-29507: query derived from USING clause found zero or many rows Cause: The USING clause defined a query that either did not return any v……

文档解释 ORA-38477: attribute set cannot be derived from an evolved type or a subtype. Cause: An attempt was made to create an attribute set from an……