A . SELECTSN,AGE, SEX FROM SWHERE AGE>(SELECTAGE FROM S WHERE SN=’王华’)
B . SELECTSN,AGE, SEX FROM S
C . WHERE SN=’王华’
D . SELECTSN,AGE,SEX FROM S
E . WHEREAGE>(SELECTAGEWHERESN=’王华’)
F . SELECTSN,AGE,SEXFROMS
G . WHERE AGE>王华.AGE