PLS-00372：In a procedure, RETURN statement cannot contain an expression
错误码
错误描述：In a procedure, RETURN statement cannot contain an expression
错误原因：In a procedure, a RETURN statement contains an expression, which is not allowed. In functions, a RETURN statement must contain an expression because its value is assigned to the function identifier. However, in procedures, a RETURN statement simply lets you exit before the normal end of the procedure is reached.
解决方法：Remove the expression from the RETURN statement, or redefine the procedure as a function.
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