题目:统计信息技术系学生总人数,所使用的语法命令为()
select *from student
select count(*) from student
select count(*) from student where depart=’信息技术系’
select count(*) from student where depart is’信息技术系’
题目:统计信息技术系学生总人数,所使用的语法命令为()
select *from student
select count(*) from student
select count(*) from student where depart=’信息技术系’
select count(*) from student where depart is’信息技术系’