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--mysql选择查询,包含内容1.选择行数limit2.with rollup3.内连接，外连接，复合条件连接查询4.any,some,all,exists,5.正则表达式--t2表内容mysql> select * from t2;+------+------+------+| col1 | col2 | col3 |+------+------+------+|

链接地址:  http://download.youkuaiyun.com/detail/launch_225/9427960

下载链接:  http://download.youkuaiyun.com/detail/launch_225/9784703内容概要：

当前平台:centos5.8, x86_641. 下载地址:http://spiderformysql.com/index.html,     当前下载的文件名:mysql-5.5.34-spider-3.2-vp-1.1-hs-1.2-q4m-0.95.tgz  (源码安装)2. 安装cmake软件,如果可以直接用yum install cmake (不要装与

mysql:5.5mysql> show variables like '%iso%';+---------------+-----------------+| Variable_name | Value           |+---------------+-----------------+| tx_isolation  | REPEATABLE-READ |inno

mysql 5.5  linux环境问题:每次创建完过程后写上的注释全部会被去掉，造成后续看脚本或维护时狠痛苦;解决方式:用客户端连接数据库时加入选项: --comments 或者 --comment原文档说明 :--comments, -cWhether to preserve comments in statements sent to the server. The default is -...

#一、安装依赖包yum -y install ncurses-develyum -y install gcc gcc-c++ openssl openssl-devel gityum -y install autoconfyum -y install cmakeyum -y install bison-devel libaio libaio-devel perl-Data-Dumper ...

#mysql mha布署1. ip规划1主2从，1个mha监控,1个mycat ,1个虚拟IP地址(再预留1个)2.安装依赖包#先安装yum扩展包RHEL/CentOS 7 64 Bit## RHEL/CentOS 7 64-Bit ##下边这个链接不上# wget http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/epel...

########数据库安装#######1.1. 上传安装文件压缩包: mysql-5.6.38-linux-glibc2.12-x86_64.tar1.2. 解压并修改文件名tar -xvf mysql-5.6.38-linux-glibc2.12-x86_64.tar.gzmv mysql-5.6.38-linux-glibc2.12-x86_64 /application/cd ...