mysql实例:在存储过程的select语句输出内容
发布时间:2015-12-31 编辑:jiaochengji.com
本文介绍下,在mysql的存储过程中,使用select语句且输出内容的一个例子,有需要的朋友参考下。
mysql存储过程的select语句输出内容,代码如下:
mysql> CREATE TABLE Employee( //创建mysql表格 -> id int, -> first_name VARCHAR(15), -> last_name VARCHAR(15), -> start_date DATE, -> end_date DATE, -> salary FLOAT(8,2), -> city VARCHAR(10), -> description VARCHAR(15) -> ); Query OK, 0 rows affected (0.01 sec) mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values (1,'Jason', 'Martin', '19960725', '20060725', 1234.56, 'Toronto', 'Programmer'); Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values(2,'Alison', 'Mathews', '19760321', '19860221', 6661.78, 'Vancouver','Tester'); Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values(3,'James', 'Smith', '19781212', '19900315', 6544.78, 'Vancouver','Tester'); Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values(4,'Celia', 'Rice', '19821024', '19990421', 2344.78, 'Vancouver','Manager'); Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values(5,'Robert', 'Black', '19840115', '19980808', 2334.78, 'Vancouver','Tester'); Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values(6,'Linda', 'Green', '19870730', '19960104', 4322.78,'New York', 'Tester'); Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values(7,'David', 'Larry', '19901231', '19980212', 7897.78,'New York', 'Manager'); Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) -> values(8,'James', 'Cat', '19960917', '20020415', 1232.78,'Vancouver', 'Tester'); Query OK, 1 row affected (0.00 sec) mysql> mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 8 rows in set (0.00 sec) mysql> delimiter $$ mysql> CREATE PROCEDURE myProc() //创建mysql存储过程 -> BEGIN -> DECLARE l_count INTEGER; -> -> SELECT COUNT(*) -> INTO l_count -> FROM employee; -> -> SELECT CONCAT('count= ',l_count ,' .'); -> -> UPDATE employee -> SET first_name = REPLACE (first_name, 'a', 'b') -> WHERE first_name LIKE '%a%'; -> -> END$$ Query OK, 0 rows affected (0.00 sec) mysql> delimiter ; mysql> call myProc(); //调用mysql存储过程 +---------------------------------+ | CONCAT('count= ',l_count ,' .') | +---------------------------------+ | count= 8 . | +---------------------------------+ 1 row in set (0.01 sec) Query OK, 6 rows affected (0.01 sec) mysql> drop procedure myProc; //删除mysql存储过程 Query OK, 0 rows affected (0.00 sec) mysql> drop table Employee; //删除mysql数据表 Query OK, 0 rows affected (0.00 sec)
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