drop procedure if exists p_hello_world; create procedure p_hello_world() begin declare id integer; ); ) default ''; /* don't work */ /*declare cur_user cursor for select id from p_user where id is not null and name is not null order by id;*/ declare…

WHILE DO drop procedure if exists p_while_do; create procedure p_while_do() begin declare i int; ; do select concat('index : ', i); ; end while; end; call p_while_do(); FOR LOOP drop procedure if exists p_for_loop; create procedure p_for_loop() begin…

drop procedure if exists p_hello_world; create procedure p_hello_world(in v_id int) begin ) then select '> 0'; elseif (v_id ) then select '= 0'; else select '< 0'; end if; end; call p_hello_world();…

drop procedure if exists p_hello_world; create procedure p_hello_world() begin declare v_number int; ); ; set v_varchar = 'hello world'; -- for debug select v_number; select v_varchar; end; call p_hello_world(); drop procedure if exists p_hello_world…

drop procedure if exists p_hello_world; create procedure p_hello_world() begin select sysdate(); end; call p_hello_world(); drop procedure if exists p_hello_world; create procedure p_hello_world(in v_id int) begin select * from t_user t where t.id =…

Mysql 存储过程中使用多游标 drop procedure IF EXISTS test_proc_1; create procedure test_proc_1() begin ; ) ; ) DEFAULT NULL; ) DEFAULT NULL; DECLARE cur_1 CURSOR FOR select name, password from netingcn_proc_test; DECLARE cur_2 CURSOR FOR select id, name from ne…

java jdbc使用SSH隧道连接mysql数据库demo   本文链接:https://blog.csdn.net/earbao/article/details/50216999   package com.yws.echo_socket;           import com.jcraft.jsch.JSch;   import com.jcraft.jsch.Session;       import java.sql.*;       //http://my.oschina.net…

1.切换到项目目录下,启动测试服务器 manage.py runserver 192.168.0.108:8888 2.设置相关配置 项目目录展示如下: beauty=>settings.py 修改 2.1 添加app到应用程序中 2.2 设置模板路径 2.3 配置数据为mysql 2.4设置静态文件路径 2.5设置漏油 3.beautyApp 代码 3.1执行djiago命令生成数据库model 到beautyApp=>models.py from django.db import mode…

declare Type ref_cur_variable IS REF cursor; cur_variable ref_cur_variable; v_ename ); v_deptno ); v_sal ,); v_sql ) := 'select t.ename, t.deptno, t.sal from scott.emp t'; begin Open cur_variable For v_sql; Loop fetch cur_variable InTo v_ename, v_dep…

declare Type ref_cur_variable IS REF cursor; cur_variable ref_cur_variable; v_empno scott.emp.empno%type; v_ename scott.emp.ename%type; v_sql ) := 'select t.empno, t.ename from scott.emp t'; begin Open cur_variable For v_sql; Loop fetch cur_variable…