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找出学校的校长通过输入学校名称我的存储过程不起作用
CREATE OR REPLACE PROCEDURE getHeadOfSchool(inSchoolName IN VARCHAR) IS
DECLARE
V_headOfSchool school.headOfSchool%TYPE;
BEGIN
SELECT headOfSchool INTO v_headOfSchool FROM school WHERE schoolName = inSchoolName;
DBMS_OUTPUT.PUT_LINE(‘The head of the school is ’||v_headOfSchool);
END;
/
它说编译错误,当我运行它。为什么?