If （） , his experiment is sure to fail in the end. A: managed well B: well managed C: not well managed D: well not

将字段User改为user需要编写| rename User user

已知,存在 QueryRunner对象 runner , SQL语句: String sql = "select * from user where id=?"; 下面操作中,能实现查询指定记录的选项是() A: User user=(User)runner.query(sql, new BeanListHandler(User.class), new Object[]{id}); B: User user=(User)runner.query(sql, new BeanHandler(User.class)); C: User user=(User)runner.query(sql, new BeanListHandler(User.class), id); D: User user=(User)runner.query(sql, new BeanHandler(User.class), new Object[]{id});

request.setAttribute("user","svse");session.setAttribute("user","bob");使用{user}则显示( )

You are managing a 24*7 database. The backup strategy for the database is to perform user-managed backups. Identify two prerequisites to perform the backups.（）

AI long ago mastered chess, the Chinese board game Go and even the Rubik's Cube, ______in just 0. 38 seconds. A: which managed to solve B: which it managed to solve C: for which it managed to solve D: to which it managed to solve

AI long ago mastered chess, the Chinese board game Go and even the Rubik's Cube, ______ in just about 0. 38 seconds. A: which managed to solve B: which it managed to solve C: for which it managed to solve D: to which it managed to solve

hive中清空表user的HQL语句为（ ） A: delete from user; B: remove table user; C: drop table user; D: truncate table user;

删除用户账户命令是( ) A: DROP USER B: DROP TABLE USER C: DELETE USER D: DELETE FROM USER

The engineers ( ) finish the project within three months. A: succeeded with B: managed to C: succeeded in D: managed on