A.Insert Into users(id,user_name) Values(100, "luhong") B.Insert Into users(real_name,tel) Values("盧紅","6545632") C.Insert Into users(user_name,Email) Values("luhong", "") D.Insert Into users(user_name,Email) Values("luhong", NULL)
A.str=<"Select * From users Where reg_date># rq # B.str=<"Select * From users Where reg_date>#" & rq & "#" C.str=<"Select * From users Where reg_date>" & "#" & rq & "#" D.str=<"Select * From users Where reg_date>" & # rq #
A.符合條件的記錄只有一條 B.有多條符合條件的記錄 C.數(shù)據(jù)表中沒(méi)有符合條件的記錄 D.rs對(duì)象的Bof屬性同時(shí)也為True