用下列()命令查看Linux使用了多少内存 A: cat/proc/meminfo B: cat/bin/meminfo C: vi/proc/meminfo D: vi/user/local/meminfo
用下列()命令查看Linux使用了多少内存 A: cat/proc/meminfo B: cat/bin/meminfo C: vi/proc/meminfo D: vi/user/local/meminfo
根据Linux文件系统结构,下列哪个目录是用户安装共享应用的?() A: /dev/user/bin B: /usr/local/bin C: /etc/bin D: /sbin
根据Linux文件系统结构,下列哪个目录是用户安装共享应用的?() A: /dev/user/bin B: /usr/local/bin C: /etc/bin D: /sbin
A user named User1 uses a computer that runs Windows XP Professional. You need to enable User1 to create local user accounts. You must minimize the rights assigned to the User1 account. Which group should you add User1 to?() A: Administrators B: Power Users C: Users D: Network Configuration Operator
A user named User1 uses a computer that runs Windows XP Professional. You need to enable User1 to create local user accounts. You must minimize the rights assigned to the User1 account. Which group should you add User1 to?() A: Administrators B: Power Users C: Users D: Network Configuration Operator
A user named User1 uses a computer that runs Windows XP Professional. You need to enable User1 to create local user accounts. You must minimize the rights assigned to the User1 account. Which group should you add User1 to?() A: Administrators B: Power Users C: Users D: Network Configuration Operators
A user named User1 uses a computer that runs Windows XP Professional. You need to enable User1 to create local user accounts. You must minimize the rights assigned to the User1 account. Which group should you add User1 to?() A: Administrators B: Power Users C: Users D: Network Configuration Operators
将字段User改为user需要编写| rename User user
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});
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});
删除用户账户命令是( ) A: DROP USER B: DROP TABLE USER C: DELETE USER D: DELETE FROM USER
删除用户账户命令是( ) A: DROP USER B: DROP TABLE USER C: DELETE USER D: DELETE FROM USER
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;
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;
在 MySQL 中,删除用户的命令是( ) A: DROP USER B: REVOKE USER C: DELETE USER D: REMOVE USER
在 MySQL 中,删除用户的命令是( ) A: DROP USER B: REVOKE USER C: DELETE USER D: REMOVE USER
要删除用户user,同时也删除其家目录,则应使用指令 A: userdel user B: userdel -r user C: deluser -r user D: deluser user
要删除用户user,同时也删除其家目录,则应使用指令 A: userdel user B: userdel -r user C: deluser -r user D: deluser user