PL / SQL语句被忽略＆amp;价值不够

Question

--Below is for testing only - to be deleted later
CREATE OR REPLACE PROCEDURE movie_rental_sp 
    (movieIdCount IN OUT NUMBER,
    movieID IN OUT NUMBER)
IS
noMovie EXCEPTION;
BEGIN
SELECT MOVIE_ID, count(movie_id)
    INTO movieIdCount
    FROM MM_MOVIE
    WHERE MOVIE_ID = movieID;
IF movieIdCount = 0 THEN
RAISE noMovie;
END IF;


EXCEPTION
    WHEN noMovie THEN
    DBMS_OUTPUT.PUT_LINE('No movies found');
END;
/

警告：使用编译错误创建过程。

SQL＆GT;显示错误 程序错误MOVIE_RENTAL_SP：

LINE / COL ERROR

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7/1 PL / SQL：忽略SQL语句 9/2 PL / SQL：ORA-00947：值不够

Answer 1

您的SELECT有2列，但您的INTO只有1个变量。

Answer 2

将select语句更改为，

SELECT MOVIE_ID, count(movie_id)
INTO movieID , movieIdCount
.....