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                [TOC=1,4] >[success] # 查詢所有數據庫-show >[danger] #### **語法** `SHOW DATABASES;` ![](https://box.kancloud.cn/5db667130216e51885709221a063aa53_292x195.png) >[danger] #### **注意點** 1.databases 要用數據庫復數形式,因為mysql中有多個數據庫,所以復數 2.結尾用`; ` <br> * * * * * >[success] # 創建數據庫-create >[danger] #### **語法** `CREATE DATABASE 數據名稱 DEFAULT CHARSET utf8 COLLATE utf8_general_ci;` **注**: 解說明utf8_general_ci,是一種常規配置方法ci是不區分大小寫的縮寫 >[danger] #### **查看創建數據庫語句** ` show create database 表名;` ![](https://box.kancloud.cn/81aec78864840ea0d4ccb0334029e0c4_664x124.png) <br> * * * * * >[success] # 刪除數據庫-drop >[danger] #### **語法** `drop database 數據庫名稱;` >[danger] #### **截圖** ![](https://box.kancloud.cn/bd543c7eb4776b9aea0b16de1f60f04c_317x262.png) <br> * * * * * >[success] # 進入數據庫 >use 數據庫名稱 <br> * * * * * >[success] # 查看當前使用的數據庫 >select database(); <br> * * * * * >[success] # 修改數據庫 >alter database 數據庫名稱 character set utf8 //將現有的數據庫格式改為utf8格式
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