MySQL

first, the optimization in MySQLOptimization of the WHERE statement1. Try to avoid expression operations on fields in the WHERE clauseSelect ID from Uinfo_jifen where jifen/60 > 10000;After optimization:Select ID from Uinfo_jifen where jifen>600000;2

1. Turn on MySQL binary logIn the MySQL configuration file My.ini, add:Log-bin=mysql-bin (this name can be taken casually, English, do not know Chinese is not possible, have not tried)2. Restart MySQLAfter rebooting, if a file appears in the

Back up the httpd and MySQL services and upload them to the FTP server1. Create a backup user bak on the FTP server650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M00/87/5F/wKioL1fehuXSm_SPAABmOsRO7iA093.png "style=" float: none; "title=" 2016

Http://www.cnblogs.com/merru/articles/4626045.htmlSELECT a.shop_id, A.price, COUNT (*) as RankFrom Mygoods AJOIN Mygoods B on a.shop_id=b.shop_id and A.price GROUP by a.shop_id, A.priceORDER by A.shop_id,a.price DescBy self-linking, the scale is

----------------------------------------------------------------MySQL 5.5.48-----------------------------------------------------------------1 Creating a database

First, the installation of the necessary procedures 1, installation vsftpd Yum-y Install VSFTPD 2. Install MySQL Yum-y Install Mysql-server mysql-devel pam_mysql Second, create a virtual user account

CentOS6.5 platform Deployment MySQL DatabaseDeploying MySQL-5.5.22Plugin ncurses-*,cmake-2.8.6 RequiredExperimental steps:One, compile and install MySQL database system1. Check to see if the Mysql,mysql-server is installed in the system by RPM and

Virtual machine VMware Workstation PRO# 1. View the system version[[email protected]] [/home/xiluhua]$ cat/etc/redhat-releaseCentOS7. 2. 1511# 2. To the version of CentOS 7 under the MySQL website , 2.1. Select Community Edition (red box) 2.2.

A data table with a 2000W record recently needs to be optimized and migrated. 2000W data is awkward for MySQL, because it is very fast to create indexes reasonably, and how to optimize speed is not much improved. However, these data have a large

Prerequisites:MySQL in the master and slave operation of the installation and basic configuration of MySQL please refer to my other post: Linux under the installation of MySQL and multi-instance operation " http://ylcodes01.blog.51cto.com/5607366/184

Open source relational database MySQL in the actual production environment is widely used, but the long-term use of the past will certainly be due to some external factors caused the table damage, and after a large number of additions and deletions

②, download the MySQL installation package, the command line into the bin directory, mysqld--initialize–insecure (do not set the root password) if there is no-insecure to randomly generate a root password (not recommended)--------- Initialize MySQL①,

How do I set up a MySQL server to allow remote connections? If you are using a virtual host that is not on the same server as the database, the MySQL server needs to allow remote links for the site to function properly. So how do I set up a MySQL

1. Download MySQL to/usr/local/src/(can be another directory)cd/usr/local/src/wget http://cdn.mysql.com//Downloads/MySQL-5.6/mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz2. UnzipTar zxvf/usr/local/src/mysql-5.0.86-linux-i686-icc-glibc23.tar.gz3. Move

Record a small problem today, write an app access interface involves feedback multiple result sets through stored procedures, but back to multiple result sets of stored procedures, after the call can only back one, and it is strange that even if you

Introduction The MySQL server works in different SQL modes and can be applied in different ways for different clients. In this way, the application can tailor the server operation to suit its needs. Such patterns define the SQL syntax

Basic usage of Mysql-MariaDB Installation Method explanation, mysqlmariadb I used mysql on ubuntu for the first time. Now I use centOS 7 in the Red Hat branch of linux. During installation, MariaDB is commonly used to replace mysql, through data

How to install MySQL 5.6.32 on CentOS7.2, centos7.25.6.32 1. MySQL 5.6.32 64-bit installation package download Download the MySQL 5.6.32 64-bit installation package using thunder in

Mysql provides a complete solution for Chinese Garbled text (Illegal mix of collations for operation) and illegalcollations Mysql often has unfriendly support for Chinese characters. The common error "Illegal mix of collations for operation" The

Considerations for mysql 5.7.14 installation-Free Edition (excellent) and mysql5.7.14 Related reading: MySql 5.7.14 installation tutorial (decompress Version) Mysql 5.7.14 FAQs (recommended) 1. Extract 2. Copy the mysql-5.7.14-winx64 under Directory