A. select * from xscjb where xb=’男’ and yw < 85 B. select * from xscjb where xb=’女’ and yw < 85 C. select * from xscjb where xb=’女’ or yw < 85 D. select * where xb=’女’ and yw < 85
A. delete xscjb set yw=10 where xb=’男’ B. update from xscjb set yw=10 where xb=’男’ C. update xscjb yw=10 where xb=’男’ D. update xscjb set yw=10 where xb=’男’
A. delete from xsxxb where xb='男' B. deletexsxxb where xb='女' C. delete from xsxxb where xb='女' D. dele from xsxxb where xb='女'
A. 对 B. 错