A. 6条 B. 7条 C. 8条 D. 9条
A. 一行 B. 两行 C. 三行 D. 多行
A. SELECT * FROM student where id!=2,3,4,5; B. SELECT * FROM student where id not between 5 and 2; C. SELECT * FROM student where id not between 2 and 5; D. SELECT * FROM student where id not in 2,3,4,5;
A. stop net mysql B. service stop mysql C. net stop mysql D. service mysql stop
A. 对 B. 错