"; echo "($x++ + 10)的值是:". ($x++ + 10) . "
"; echo "($y++ + --$y)的值是:". ($y++ + --$y) ."
"; ?>
A、9 4 20 8
B、8 4 20 8
C、9 4 19 8
D、8 4 19 8
A、select user,password,logins from user group by logins;
B、select password,logins,user from user order by logins;
C、select user,password,logins, from user order by logins;
D、select logins,user,password from user order by logins desc;
A、insert into user(username,password,logins) values(‘zhangsan’,’654321’,0);
B、update user set password=654321 where username=’zhangsan’;
C、update user set password=’654321’ where username=’zhangsan’;
D、update user password=’654321’ where username=’zhangsan’;
A、delete from user where username=zhangsan;
B、delete user where username=’zhangsan’;
C、delete from user where username=’zhangsan’;
D、delete from user;
A、insert into user(username,password,logins) values(‘zhangsan’,’654321’,1);
B、update user set logins= logins +1 where username=’zhangsan’;
C、update user set logins =’ logins+1’ where username=’zhangsan’;
D、update user logins = logins+1 where username=’zhangsan’;
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