A.__FILE__ B.__ROOT__ C.__LINE__ D.__FUNCTION__
A.SELECT * FROM User WHERE name = ’張三’ B.SELECT * FROM User WHERE name = ’張三’ LIMIT 0,1 C.SELECT * FROM User WHERE name LIKE ’張三’ D.SELECT * FROM User WHERE name LIKE ’%張三%’
A.執(zhí)行mysql -u root -p命令可以root身份連接數據庫 B.SHOW TABLES;可以顯示當前數據庫下所有表 C.SHOW DATABASES;顯示所有的數據庫信息 D.USE test;切換當前數據庫到test