题目
第6题
A.Select Tprot,COUNT(*) from Teacher Order by Tprot
B.Select Tprot,COUNT(*) from Teacher Group by Tprot
C.Select Tprot,SUM(*) from Teacher Group by Tprot
D.Select Tprot,SUM(Tprot) from Teacher Group by Tprot
第9题
A.7
B.5
C.12
D.19
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