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                一、登陸 mysql -uroot -p 二、顯示所有數據庫 SHOW databases; 三、顯示所有表 SHOW tables; 四、清空表 TRUNCATE tableName(表明) 五、增加數據庫字段 ALTER TABLE `user` ADD COLUMN `sta` varchar(255) NULL DEFAULT '' COMMENT 'zhuang' AFTER `status`; 六、創建數據庫用戶并設置權限 CREATE user 'wjy'@'%' IDENTIFIED BY '123456'; GRANT select, update, insert on testDb.* to 'wzh'@'%' IDENTIFIED BY 'abcd1234'; flush privileges; 七、授權 GRANT privileges ON databasename.tablename TO 'username'@'host' 例子: GRANT SELECT, INSERT ON test.user TO 'pig'@'%'; GRANT ALL ON *.* TO 'pig'@'%'; 八、創建數據庫并指定編碼 CREATE DATABASE [dbname] DEFAULT CHARSET utf8 COLLATE utf8_general_ci; 九、刪除表 DROP TABLE IF EXISTS `order`; 十、刪除數據庫 DROP DATABASE IF EXISTS `order`; 十一、打開數據庫并指定編碼 mysql -uwai4 -p --default-character-set=utf8 十二、導入數據庫數據 source /mnt1/www/fanwewai4/wai4.sql; 十三、導出數據庫 mysqldump -uroot -p --default-character-set=utf8 dbname tablename > bak.sql 十四、設置數據庫用戶名及可遠程連接的ip GRANT ALL PRIVILEGES ON *.* TO 'root'@'183.251.22.75' IDENTIFIED BY 'mk1314520' WITH GRANT OPTION;
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