create database db2 default character set=utf8 备注:数据库的字符集存储在数据库目录下的db.opt文件中,我们可通过 find / -name db.opt 查找并用less 查看相关db.opt文件如下 二:关于 CHARACTER SET 和 COLLATE 三:查看相关字符集 3.1 :查看MYSQL数据库服务器和数据
语句create database test-admin;报具体异常就是说语法不正确: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-admin' at line 1 明显的-(横杠)前面的没有了,应该是被认为是什么特殊字符了。 解决办法: 主要...
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
//your own for hostname, user and password $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"...
Creating database tables in SQL is one of the most common tasks a developer or DBA does in a database. Learn how to create tables, what the syntax is, and see some examples in this article. This guide applies to Oracle, SQL Server, MySQL, and PostgreSQL. ...
For additional information aboutYEARdisplay format and interpretation of input values, seeSection 13.2.4, “The YEAR Type”. Note As of MySQL 8.0.19, theYEAR(4)data type with an explicit display width is deprecated; you should expect support for it to be removed in a future version of MySQ...
Section 6.6.9, “mysqlbinlog — Utility for Processing Binary Log Files” Section 6.5.4, “mysqldump — A Database Backup Program” Section 19.1.6.3, “Replica Server Options and Variables” Section 7.1.8, “Server System Variables” Section 1.3, “What Is New in MySQL 8.0” Section 25.2....
典型的库名错误 数据库名字不要以数字开头 可以这样建：create database _123;如果一定要以123开头 可以这样 create database `123`;在123上加上``这个符号就是数字键1边上那个建
MySql 8.0.19 权限分配 问题一:You have an error in your SQL syntax ---语法问题 问题二:You are not allowed to create a user with GRANT ---权限问题 问题三:No database selected ---没选择数据库 创建数据库分配权限演示 问题一:You have an error in your SQL syntax —语法问题 ...
if (!mysql_query("create database $dbname")) die(sql_error()); echo "successfully created the $dbname database.<br>"; if(!mysql_select_db($dbname)) die(sql_error()); if(!mysql_query("create table $user_tablename ($user_table_def)")) die(sql_error()); ...