mysql> create database db1; Query OK, 1 row affected (0.02 sec) 创建表: mysql> use db1; #先切换到指定库下 Database changed mysql> create table t1(`id` int(4),`name` char(40)); #括号中是定义字段及字段格式,使用反引号引起来 Query OK,
要在MySQL中创建一个新的数据库,可以使用CREATE DATABASE语句。基本语法如下: 代码语言:txt 复制 CREATE DATABASE database_name; 其中database_name是你想要创建的数据库的名称。 示例 假设我们要创建一个名为my_database的数据库,可以使用以下命令: 代码语言:txt 复制 CREATE DATABASE my_database; 应用场景 创...
MySQL localhost:33060+ ssl JS > print("Database 'testDB' created."); Database 'testDB' created.#创建一个表MySQL localhost:33060+ ssl JS > var sqlCreateTable = "CREATE TABLE testDB.myTable (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255))"; MySQL localhost:33060+ ssl JS > var...
MySQL localhost:33060+sslJS>vardb=session.createSchema('testDB');MySQL localhost:33060+sslJS>print("Database 'testDB' created.");Database'testDB'created.# 创建一个表 MySQL localhost:33060+sslJS>varsqlCreateTable="CREATE TABLE testDB.myTable (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(...
shell> mysql -uroot -p123456 输出上面的命令后,出现的是如下的提示; Welcome to the MySQL monitor. Commands end with ; or /g. Your MySQL connection id is 6 to server version: 3.23.58 Type 'help;' or '/h' for help. Type '/c' to clear the buffer. ...
Database 'testDB' created. # 创建一个表 MySQL localhost:33060+ ssl JS > var sqlCreateTable = "CREATE TABLE testDB.myTable (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255))"; MySQL localhost:33060+ ssl JS > var result = session.sql(sqlCreateTable).execute(); ...
MySQL Shell provides commands which enable you to modify the execution environment of the code editor, for example to configure the active programming language or a MySQL Server connection. The following table lists the commands that are available regardless of the currently selected language. As comm...
Database 'testDB' created. # 创建一个表 MySQL localhost:33060+ ssl JS > var sqlCreateTable = "CREATE TABLE testDB.myTable (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255))"; MySQL localhost:33060+ ssl JS > var result = session.sql(sqlCreateTable).execute(); ...
01mysql>DROPDATABASElesson; 1. 补充:MySQL 数据库常用命令 create database name; 创建数据库 use databasename; 进入数据库 drop database name 直接删除数据库,不提醒 show tables; 显示表 describe tablename; 查看表的结构 select 中加上distinct去除重复字段 ...
MySQL localhost:3300 ssl SQL > create database test_3300; Query OK, 1 row affected (0.0037 sec) MySQL localhost:3300 ssl SQL > use test_3300; Default schema set to `test_3300`. Fetching global names, object names from `test_3300` for auto-completion... Press ^C to stop. ...