单项选择题
A.select语句B.create语句C.insert语句D.drop语句
A.select count(*)from teacher where tname like ’李%’;B.select count(*)from teacher where tname like ’%李’;C.select count(*)from teacher where trim(tname)=’李%’;D.select count(*)from teacher where trim(tname)like ’%李’;
A.dropB.changeC.modifyD.rename