mysql下的分页存储过程
CREATE PROCEDURE pro_page(
in _sql varchar(1000),
in _order varchar(1000),
in _pagecurrent int,
in _pagesize int
)
BEGIN
if _pagesize<=1 then
set _pagesize=20;
end if;
if _pagecurrent < 1 then
set _pagecurrent = 1;
end if;
set @strsql = concat(_sql,' ',_order,' limit ',_pagecurrent*_pagesize-_pagesize,',',_pagesize);
prepare stmtsql from @strsql;
execute stmtsql;
deallocate prepare stmtsql;
END;
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1、编辑MySQL配置文件:
windows环境中:%MySQL_installdir%\my.ini //一般在MySQL安装目录下有my.ini即MySQL的配置文件。
linux环境中:/etc/my.cnf
在[MySQLd]配置段添加如下一行:
skip-grant-tables
保存退出编辑。
2、然后重启MySQL服务
windows环境中:
net stop MySQL
net start MySQL
linux环境中:
/e ......
先用root登陆mysql -u root -p
mysql>show databases;
mysql>use mysql;
update user set password=password('你想设置的密码')
where user='root'; ......
还原一个数据库:mysql -h localhost -u root -p123456 www<c:\www.sql
备份一个数据库:mysqldump -h localhost -u root -p123456 www > d:\www2008-2-26.sql
//以下是在程序中进行测试
//$command = "mysqldump --opt -h $dbhost -u $dbuser -p $dbpass $dbname | gzip > $backupFile";
$command="mysqldum ......
E:\databases\MySQL\MySQL Server 5.1\bin>mysqldump --help
mysqldump Ver 10.13 Distrib 5.1.30, for Win32 (ia32)
By Igor Romanenko, Monty, Jani & Sinisa
This software comes with ABSOLUTELY NO WARRANTY. This is free softwa
and you are welcome to modify and redistribute it under the GPL ......
(1)INFORMATION_SCHEMA
select (sum(data_length) + sum(index_length))/(1024*1024) from INFORMATION_SCHEMA.`TABLES` where table_schema = 'your_table_schema' and table_name like 'your_table_name';
(2)show table status like '';
try {
Class.forName("com.mysql.jdbc.Driver");
......