A. DELETE FROM emp WHERE name='dony'; B. DELETE * FROM emp WHERE name='dony'; C. DROP FROM emp WHERE name='dony'; DROP * FROM emp WHERE name='dony';
A. ORDER BY DESC name B. ORDER BY name DESC C. ORDER BY name ASC D. ORDER BY ASC name
A. 删除当前数据库中整个employee表,包括表结构 B. 删除当前数据库中employee表内的所有行 C. 由于没有where子句,因此不删除任何数据 D. 删除当前数据库中employee表内的当前行
ADD TABLE S ALTER CN CHAR(8) B. ALTER TABLE S ADD CN CHAR(8) C. ADD TABLE S CN CHAR(8) D. ALTER TABLE S INSERT CN CHAR(8)
A. CREATE TABLE B. ALTER CURSOR C. SET GLOBAL DECLARE CURSOR
A. INSERT B. ROLLBACK COMMIT D. SAVEPOINT
A. CREATE DATABASE B. CREATE VIEW CREATE TABLE D. CREATE PROCEDURE
A. Oracle B. SQL Server C. Java D. MySQL
A. 创建数据库student B. 查看服务器上的所有数据库 C. 查看student数据库的创建信息 D. 删除student数据库
A. TINYINT B. CHAR C. SMALLINT D. INT