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                **1. 創建數據庫** >[info]`db_name`為自定義數據庫名。 ```sql 示例1: mysql> create database db_name; 示例2:如果數據庫不存在才創建 mysql> create database if not exists db_name; 示例3:如果數據庫不存在才創建并且指定編碼集為utf8 mysql> create database if not exists db_name default utf8 collate utf8_general_ci; 示例4:mysqladmin 創建數據庫 # mysqladmin -u root -p create db_name ``` **2. 刪除數據庫** ```sql 語法1: mysql> drop database db_name; 語法2:數據庫存在才刪除 mysql> drop database if exists db_name; 語法3:mysqladmin 刪除數據庫 # mysqladmin -u root -p drop db_name ``` **3. 使用數據庫** ```sql mysql> use db_name; ```
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