MySQL

Modify table structure (with Oracle) Rename: ALTER TABLE test RENAME TO table_1； To add a field: ALTER TABLE table_1 ADD id int(3); ALTER TABLE table_1 ADD info varchar(30)；

1. Download, select the version, I downloaded the Linux generic 64-bit.See if the system is 32-bit or 64-bitDownload to the directory you want to install, mine is/usr/local/$ wget http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.35-linux-glibc2

###### #Redhat6.5 source code compilation installation mysql########Lab Environment:1.ip:172.25.8.32. Disk to be larger than 20GFirst, add a piece of disk larger than 20GFDISK/DEV/VDB # #得到/DEV/VDB1 8e LinuxPVCREATE/DEV/VDB1 # #把物理分区做成物理卷Vgextend VG_

Happy original, Daily notesAvoid installing MySQL unexpectedly, port conflict, program problems, first check whether MySQL installed.If there is an Ann loading and unloading.RPM-E MySQL--nodepsInstall MySQL needs to have cmake first install CMakeTar

Now there is a MySQL database on the server, remote access, do not want to publish the root account, so, created a demo account, allowing the demo account to access the MySQL database in the Shandong Library anywhere, next to you in detail today on

1 Viewing system-supported storage enginesShow engines;2 Viewing the storage engine used by the tableTwo methods:A, Show table status from Db_name where name= ' table_name ';b, show create TABLE table_name;If the displayed format is not good-looking,

So there is a table:CREATE TABLE ' User_group ' ( ' id ' int (one) not null auto_increment, ' uid ' int (one) ' NOT null, ' group_id ' int (one) N OT NULL, PRIMARY key (' id '), key ' uid ' (' uid '), key ' group_id ' (' group_id '),)

In MySQL, sometimes when we are doing database queries, we need to get a record of a certain value in a field, but it is not solved with like, we can find the record that we do not want, and it is more accurate than the find_in_. The set function

One. Fristpinyin: This function converts the first character of a Chinese string into a phonetic alphabet (for example: "Chinese"->z)CREATE FUNCTION' Fristpinyin ' (p_nameVARCHAR(255))RETURNS varchar(255) CHARSET UTF8BEGIN DECLAREV_returnVARCHAR(2

One: MySQL Permissions experience principle:Permissions control is primarily for security reasons, so you need to follow a few rules of thumb:1, only to meet the needs of the minimum permissions to prevent users from doing bad things. For example,

1, find a good configuration file, modify the configuration file, sometimes there will be more than one configuration file, to figure out which configuration file to load.2, the main library backup money operation in addition to setting the

Dpkg usage http://www.cnblogs.com/TankXiao/p/3332457.htmlTo download the Deb package first, use the following statement to install the Deb package under the directorysudo dpkg-i mysql-community-test_5.7.17-1ubuntu14.04_amd64.debConfirm that

This article is based on a simple combination of development on Mac, node && MySQL.I. Building the Environment Download the relevant version of your computer to the official website. Then start MySQL When using NPM-V to

In Windows, the MySQL service cannot be stopped or deleted. windowsmysql On Windows, I used to decompress the compressed package to install MySQL. Here is the installation method: click here. Run the following command: Mysqld -- install MySQL --

MySQL configuration file cannot be modified (Win10), mysqlwin10 Record the problems solved by others. Problem description MySQL 5.7 and Windows 10 are supported. Install MySQL in C: \ Program Files. Recently you need to add a new configuration item

Install mysql5.7.10 and ubuntumysql5.7.10 manually in Ubuntu This tutorial describes how to manually install mysql5.7.10 on Ubuntu for your reference. The details are as follows: 1. Download the installation package MySQL Official Website Select the

Basic knowledge of mysql learning notes, mysql learning notes View Database show databases; Create a database Create DATABASE Name create DATABASE databasetest; Select Database Use Database Name use databasetest;------------Database changed; Switch

Mysql 5.7.11 winx64.zipan Assembly placement tutorial, 5.7.11winx64.zip Install and configure the MySql database system. 1. Download http://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.11-winx64.zip 2. decompress the zip package D:\Program

CentOS installation of mysql5.7 and simple configuration tutorial details, centosmysql5.7 Install Ensure that your users have the permission to install Root not switched Su root (Su meaning: swich user) # Rpm-ivh

Install MySQL5.7 (convert) and centos7mysql5.7 in CentOS7 Install necessary componentsYum install-y autoconf automake imake libxml2-develExpat-devel cmake gcc-c ++ libaio-devel bzr bison libtoolNcurses5-devel  Download