请帮我一下这个存储过程的语法吗?这是在oracle的SQL开发人员中完成的。PL/SQL存储过程
存储过程的目的是允许CALL函数中插入新的记录到类表(其上创建使用以下语法):
CREATE TABLE class
(
class_number NUMBER(8),
teacher_name VARCHAR2(50),
class_name VARCHAR2(50) NOT NULL,
start_date DATE,
end_date DATE,
class_category VARCHAR2(20),
topic VARCHAR2(20),
teacher_credential VARCHAR2(40),
CONSTRAINT pk_class PRIMARY KEY (class_number,teacher_name,class_name,start_date)
);
随着存储的过程和顺序如下编码,应该创建一个新类,如果结束日期在开始日期之前,那么结束日期应该是默认开始日期+两周。
CREATE SEQUENCE class_number_seq;
CREATE OR REPLACE PROCEDURE insert_class
(
Teacher_name_param class.teacher_name%TYPE,
class_name_param class.class_name%type,
start_date_param class.start_date%TYPE ,
end_date_param class.end_date%TYPE,
class_category_param class.class_category%TYPE,
topic_param class.topic%TYPE,
end_date_param class.end_date%TYPE
)
AS
class_number_var class.class_number%TYPE;
end_date_var class.end_number%TYPE;
BEGIN
SELECT class_number_seq.NEXTVAL INTO class_number_var FROM dual;
IF end_date_param < start_date_param OR end_date_param IS NULL THEN
end_date_param := start_date_param + 14;
ELSE
end_date_var := end_date_param;
END IF;
INSERT INTO class
VALUES(class_number_var, teacher_name_param, class_name_param, start_date_param, end_date_param, class_category_param, topic_param);
END;
的错误我得到是:
PL/SQL complilation单元分析终止:在 RECORD,TABLE或列出的参数重复场是不允许的。
我不确定我的逻辑是否有什么问题 - 或者重复字段是什么地方。
请帮忙!