mysql條件查詢not，為什么mysql建表查數(shù)據(jù)總是出錯？
CREATE TABLE IF NOT EXISTS `runoob_tbl`( `id` INT UNSIGNED AUTO_INCREMENT, `name` VARCHAR(10) NOT NULL, `url` VARCHAR(40) NOT NULL, `country` VARCHAR(10) NOT NULL, PRIMARY KEY ( `id` ) )ENGINE=InnoDB DEFAULT CHARSET=utf8; 錯把中文的括號寫進去了
