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mysql自动序列号

小草范文网  发布于:2017-01-22  分类: 序列号 手机版

篇一:Mysql 5.1 注册码

Mysql-front 5.1注册码

bhaaAThangemMkaz2tQhq3/f7dZ7

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======================================

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=============================================

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===============================================

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=================================================

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===============================================

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===============================================

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=============================================

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=============================================

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===============================================

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=================================================

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==============================================

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==================================================

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http://blog.csdn.net/luck52yjk/archive/2009/12/02/4921857.aspx

篇二:关于分组序号在MySQL中的实现

好像ORACLE中有相应的函数,可惜在MSSQL 或者MySQL中没有对应的函数。后两者就得用临时表来实现了。

1、表结构以及示例数据。

create table company

(dep char(10) not null,

val1 int unsigned not null

);

insert into company values

('市场部', 26),

('市场部',25),

('市场部',24),

('办公室',16),

('办公室',12),

('研发部',19),

('研发部',11);

2、存储过程

1)、循环实现

DELIMITER $$

CREATE DEFINER=`root`@`%` PROCEDURE `sp_generate_auto`()

BEGIN

declare cnt int default 0;

declare i int default 0;

drop table if exists tmp;

-- Temporary table to save the result.

create temporary table tmp like company;

alter table tmp add num int unsigned not null;

select count(1) as total from (select count(1) from company where 1 group by dep) T into cnt;while i < cnt

do

set @stmt = concat('select dep from company where 1 group by dep ord(本文来自:wwW.xIaocAofanwEn.coM 小草 范文 网:mysql自动序列号)er by dep asc limit ',i,',1 into @t_dep');

prepare s1 from @stmt;

execute s1;

deallocate prepare s1;

set @stmt = NULL;

set @num = 0;

set @stmt2 = concat('insert into tmp select dep,val1,@num := @num + 1 as sequence from company where

dep = ''',@t_dep,''' order by dep asc');

prepare s1 from @stmt2;

execute s1;

deallocate prepare s1;

set @stmt2 = NULL;

set i = i + 1;

end while;

select * from tmp;

set @t_dep = NULL;

END$$

中国返利网 / 汇丰农牧 /

DELIMITER ;

2)、游标实现

DELIMITER $$

中国返利网 / 汇丰农牧 /

DROP PROCEDURE IF EXISTS `sp_generate_auto_cursor`$$

CREATE DEFINER=`root`@`%` PROCEDURE `sp_generate_auto_cursor`()

BEGIN

declare done1 int default 0;

declare a char(10);

declare i int unsigned default 0;

-- Cursor one to get the group total

declare cur1 cursor for select dep from company group by dep;

declare continue handler for 1329 set done1 = 1;

-- Temporary table to save the result.

drop table if exists tmp;

create table tmp like company;

alter table tmp add num int unsigned not null;

open cur1;

while done1 != 1

do

fetch cur1 into a;

if not done1 then

set @i = 0;

begin

篇三:navicat for mysql注册码

Navicat for MySQL 9.1.6 Enterprise + 注册码

2010-12-29 09:35 P.M.

Navicat for MySQL基于Windows平台,为MySQL量身订作,提供类似于MsSQL的用管理界面工具。

Navicat for MySQL 9.1.6 Enterprise 注册码:

yvon

yvon

NAVD-ULQR-YD73-V3BR [貌似要英文版才能激活]

下载: /en/products/navicat_mysql/mysql_overview.html

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