移动端
微信搜“题王网”真题密题、最新资讯、考试攻略、轻松拿下考试
首页
词条
lastname
Consider the following table called EMPLOYEES: ID FIRSTNAME LASTNAME JOB LEVEL CLERK 3 If the following SQL statement is executed, how many rows will be deleted? DELETE FROM employees WHERE 1 = 1()
现有表Employee,字段:id(int)、firstname(varchar)、lastname(varchar);以下sql语句错误的是()