结尾 -- 以下都是 sql 语句 show databases; -- 查看所有数据库 use school; -- 切换数据库 use 数据库名 -- show tables; -- 查看数据库中所有的表 describe student; -- 显示数据库中的某个表的信息 create database westos; -- 创建一个数据库 exit; -- 退出链接 -- 单行注释 /* 多行注释 *...
mysql:root>grantcreateon*.*tocoder@'127.0.0.1'; Query OK,0rows affected (0.00sec) 4、coder用户重新发起连接、然后就可以创建库了 mysql-ucoder-h127.0.0.1-P3306-p123456 mysql:[Warning]Using a passwordonthe command line interface can be insecure. Welcometothe MySQL monitor. Commandsendwith;or\...
Over 2000 ISVs, OEMs, and VARs rely on MySQL as their products' embedded database to make their applications, hardware and appliances more competitive, bring them to market faster, and lower their cost of goods sold. Learn More » MySQL Cluster CGE MySQL Cluster enables users to meet th...
报错信息为“java.sql.SQLException: Cannot create PoolableConnectionFactory (Could not create connection to database server.)” 代码语言:javascript 代码运行次数:0 运行 AI代码解释 getconnetion from pool error:ConnectionInfo{jdbcUrl='jdbc:mysql://9.9.9.9:3306/db?useSSL=false&serverTimezone=UTC&useUn...
sock必须是mysql中配置的文件且必须在/tmp下存在;若不存在则启动不了mysql ### TCP/IP连接方式:➜ ~ mysql -uroot -proot -h 127.0.0.1 -- 用户名 + 密码+ ip:port mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end ...
CREATE DATABASE [IF NOT EXISTS] <数据库名> [[DEFAULT] CHARACTER SET <字符集名>] [[DEFAULT] COLLATE <校对规则名>]; [ ]中的内容是可选的。语法说明如下: <数据库名>:创建数据库的名称。MySQL 的数据存储区将以目录方式表示 MySQL 数据库,因此数据库名称必须符...
Your database needs to be created only once, but you must select it for use each time you begin a mysql session. You can do this by issuing a USE statement as shown in the example. Alternatively, you can select the database on the command line when you invoke mysql. Just specify its...
CREATE DATABASE tmall_ssm DEFAULT CHARACTER SET utf8; 1. 退出数据库 exit 1. 了解: 启动mysql数据库:在出来的DOS命令窗口中输入 net start mysql,或者使用快捷键Windows键(在键盘上有个Windows标志的按键)+ R直接输入net start mysql后回车。(另附:关闭的命令为net stop mysql) ...
CREATE{DATABASE|SCHEMA}[IFNOTEXISTS]db_name[create_option]...create_option:[DEFAULT]{CHARACTERSET[=]charset_name|COLLATE[=]collation_name|ENCRYPTION[=]{'Y'|'N'} } CREATE DATABASEcreates a database with the given name. To use this statement, you need theCREATEprivilege for the database.CR...
After the connection is established you should select the database you wish to use. This should be a database to which your username has access to. To select a database, you can use the following command: $mysqli->select_db($database)ordie("Unable to select database"); ...