A. MAX B. COUNT C. SUM D. AVG
A. selelct,from B. select,group C. select,order D. select,into
A. DELETE TABLE S B. DELETE S C. DROP S DROP TABLE s
A. CREATE B. INSERT C. SAVE D. UPDATE
A. where name !NULL B. Where name not NULL C. Where name is not NULL D. Where name!=NULL
A. LEN( ) B. left( ) C. long( ) D. LENGTH( )