drop database if exists

Linux mysql Operations Command "go to source"1.linux commands to start MySQL:Mysqladmin start/ect/init.d/mysql start (front of MySQL installation path)2.linux Restart MySQL command:Mysqladmin restart/ect/init.d/mysql Restart (front of MySQL

1. Create a databaseCREATE DATABASE []db_name[ [DEFAULT]CHARACTERSET [=] [DEFAULT] [= ] collation_name];[] means you can omitExample:CREATE DATABASE IF not EXISTSDb1DEFAULT CHARACTER SETUTF8;CREATE DATABASE IF not EXISTSDb2DEFAULT CHARACTER

MySQL Common Command Daquan1. mysql: Connect to the databaseMySQL commands the user to connect to the database. MySQL command format: mysql-h host address-u user name-P user Password1) Connect to MYSQL on this computer first open the DOS window,

/*************************************** * Ddl:create Database * *************************************** /--Drop existing database if Exists;drop database if exists fitbit_new;--create database; CREATE database fitbit_new;--use database; Use

Format: mysql-h host address-u user name-P user Password1. Connect to MySQL on this machine. First open the DOS window, then enter the directory Mysql\bin, and then type the command Mysql-u root-p, enter after the prompt you to lose the password.

1. Connect MySQLFormat: mysql-h host address-u user name-P user Password1. Connect to MySQL on this machine. First open the DOS window, then enter the directory Mysql\bin, and then type the command Mysql-u root-p, enter after the prompt you to lose

1, Connection MySQL format: mysql-h host address-u user name-P user Password1. Connect to MySQL on this machine. First open the DOS window, then enter the directory Mysql\bin, and then type the command Mysql-u root-p, enter after the prompt you to

Today just in preparation for the company's interview, so the MySQL knowledge points to review, to find a good blog, but also to their own MySQL to do an accumulation.Please refer to the original text: http://www.cnblogs.com/zhangzhu/archive/2013/07/

1. Connect to MYSQL: mysql-h host address-u user name-p User Password 1. Example 1: connect to MYSQL on the local machine first open the DOS window and then enter the directory mysqlbin, enter the mysql-uroot-p command and press enter to prompt you

Use commands to create a MySQL databaseHttp://www.sudu.cn/service/detail.php? Id = 11443 # 6d Zero, MYSQL Process Control Mysql:Show variables like 'Port ';Show variables like "have _ % ";Windows:Http://www.jz123.cn/text/3035482.htmlNet stop

Mysql-h localhost-uroot-p123456 // connect to the database Show databases; // view the database Create database if not exists db_goods; // create a database Use db_goods; // use the database Show tables; // View tables in the database Create

1. Connect to MySQL Format: mysql-h host address-u user name-p User Password 1. Example 1: connect to MYSQL on the local machine. First, open the DOS window, enter the directory mysqlbin, then type the command mysql-uroot-p, and press enter to

Traditional relational databases are generally composed of three levels: database, table, and record,MongoDB is composed of three layers: database, collection, and document.. MongoDB has no concept of columns, rows, and links for tables in

1. Connect to MYSQL. Format: mysql-h host address-u user name-p User Password 1. Connect to MYSQL on the local machine. First, open the DOS window, enter the mysql \ bin directory, type the mysql-u root-p command, and press enter to prompt you to

I. MYSQL connection format:Mysql-h host address-U User Name-P User Password1. Example 1: connect to MySQL on the local machine:First, open the DOS window, enter the directory mysqlbin, then type the command mysql-uroot-p, and press enter to prompt

First, the concept of understanding: Unicode/ucs compressed Form--utf8 appeared, applying the official website's first sentence "UTF-8 stands for Unicode transformation Format-8." It is an octet (8-bit) lossless encoding of Unicode characters.

How to Use the MYSQL Command Line for beginners MYSQL beginner's guide and introduction 1. Connect to MYSQL. Format: mysql-h host address-u user name-p User Password 1. Example 1: connect to MYSQL on the local machine. First, open the DOS window,

Basic mysql operations, Database and table operations Add: Create database: create database mpc [charset utf8]; (sets the database encoding) Create a data table: create table [if not exists] table Name (Field 1, Field 2... [Index 1, index 2 ...,

Translation: create database statement, createdatabase This article is the translation of the mariadb official manual: create database. Original article: https://mariadb.com/kb/en/create-database/Https://mariadb.com/kb/zh-cn/create-database/ I

MySQL and mysql Note: The content of the trap comes from the yibai tutorial, this is just a summary of your learning experience on the road... (attached to the yibai tutorial Web site: http://www.yiibai.com/mysql)MySQL import Sample Database (http://