题目内容
(请给出正确答案)
[单选题]
以下哪个命令用于查看SQL语句会作用于哪些分区()
A.EXPLAIN
B.GLOBALSTATUS
C.EXPLAINDEFINATION
D.EXPLAINPARTITIONS
答案
查看答案
A.EXPLAIN
B.GLOBALSTATUS
C.EXPLAINDEFINATION
D.EXPLAINPARTITIONS
第5题
A.selectmax(job)fromt1groupbyjoborderbyjob
B.selectDISTINCTjobfromt1orderbyjob
C.selectuniquejobfromt1orderbyjob
D.selectmax(job)fromt1orderbyjob
E.selectjobfromt1orderbyempno