多項(xiàng)選擇題以下能夠正確啟動(dòng)linux系統(tǒng)下的mysqld服務(wù)的是()。

A.service mysqld start
B.chkconfig mysqld on
C./etc/init.d/mysqld start
D.service mysqld stop


您可能感興趣的試卷

你可能感興趣的試題

2.單項(xiàng)選擇題查詢(xún)student表中的學(xué)生信息,按照姓名降序排列,以下語(yǔ)句操作正確的是()。

A.select * from student order by name desc
B.select * from student order by name asc
C.select * from student group by name desc
D.select * from student group by name

5.單項(xiàng)選擇題以下能查詢(xún)student表中age字段的最小值的SQL語(yǔ)句是()。

A.select max(age)from student
B.select min(age)from student
C.select sum(age)from student
D.select avg(age)from student