CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name #SCHEMA是DATABASE的同义词 [IF NOT EXITTS]可防止建库是已经存在报错 [create_specification] ... #可指定数据库的特征 create_specification: [DEFAULT] CHARACTER SET [=] charset_name #指定字符集 | [DEFAULT] COLLATE [=] collation_name #specifi...
When you create a database, let the server manage the directory and the files in it. Manipulating database directories and files directly can cause inconsistencies and unexpected results. MySQL has no limit on the number of databases. The underlying file system may have a limit on the number ...
CREATE DATABASE命令的说明 在使用CREATE DATABASE命令时,需要注意以下几点: CREATE DATABASE命令只能在MySQL服务器上执行,无法在数据库中执行。要执行CREATE DATABASE命令,需要使用MySQL的客户端工具,如MySQL命令行工具或MySQL Workbench。 CREATE DATABASE命令需要有足够的权限才能执行。通常,只有管理员或拥有特定权限的用...
A database in MySQL is implemented as a directory containing files that correspond to tables in the database. Because there are no tables in a database when it is initially created, theCREATE DATABASEstatement creates only a directory under the MySQL data directory and thedb.optfile. Rules ...
SCHEMA is a synonym for CREATE DATABASE.URL: https://dev.mysql.com/doc/refman/8.0/en/create-database.html通过HELP命令,我们查看到数据库创建命令的语句和语法格式。Syntax:CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name[create_option] …create_option: [DEFAULT] {CHARACTER SET [=] charset...
1 Create database语句 create database语句是在MySQL实例上创建一个指定名的数据库,create schema语句的语义和create database是一样的。先来看下create的语法: Syntax:CREATE{DATABASE|SCHEMA} [IFNOTEXISTS] db_name [create_specification] ... create_specification: ...
Data Definition: CREATE, DROP, ALTER CREATE DATABASE Syntax CREATE DATABASE [IF NOT EXISTS] db_name CREATE DATABASE creates a database with the given name. Rules for allowable database names … - Selection from MySQL Reference Manual [Book]
The syntax is CREATE DATABASE db_name where db_name is the name of the database you want to create.For example, to create a database called FruitShop type the following into the Query Tab and run the query:CREATE DATABASE FruitShop;...
$connect = mysql_connect("localhost", "root", "testserv") or die ("Hey loser, check your server connection."); //create the main database if it doens't already exist $create = mysql_query ("CREATE DATABASE IF NOT EXISTS moviesite") or die (mysql_error); //make sure our...
CREATE DATABASE creates a database. By default, the new database will be created by cloning the standard system database template1. A different template can be specified