A.where
B.group by
C.ather
D.limits
您可能感興趣的試卷
你可能感興趣的試題
A.select max(age)from student
B.select min(age)from student
C.select sum(age)from student
D.select avg(age)from student
A.select avg(score)from stu
B.select max(score)from stu
C.select min(score)from stu
D.select sum(score)from stu
A.select * from student
B.select name from student
C.delete from student
D.update name from student
A.select * from class
B.drop * from class
C.modify * from class
D.change * from class
A.select * from student order by named esc
B.select * from student order by name asc
C.select * from student group by named esc
D.select * from student group by name
最新試題
企業(yè)中,如果使用Linux服務(wù)器作為網(wǎng)關(guān)服務(wù)器,可使用()為作防火墻。
軟件防火墻使用的資源要比硬件防火墻少的多。
軟件防火墻使用的資源要比硬件防火墻少。
shell腳本中可用于測試字符串x是否為空的條件語句是()
iptables四表中規(guī)則默認(rèn)存放的表是()
iptables中,實(shí)現(xiàn)指定默認(rèn)策略的選項(xiàng)為()
iptables中的filte表有一般作用于那幾個鏈()
防火墻一般可分為()
iptables中的filte表有哪幾個規(guī)則鏈()
下列關(guān)于iptables常用命令解釋正確的是()