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});

下面声明一个对象数组正确的是() A: Userinfo user[] =new user[4]; B: Userinfo[] user=new Userinfo[4]; C: Userinfo[4] user=new Userinfo(); D: Userinfo[] user[4]=new Userinfo();

With<br/>the CREATE USER statement, we can only add one new user at a time.( <br/>)

已知，存在 QueryRunner对象 runner ， SQL语句：String sql = &quot;select * from user&quot;;下面操作中，能实现查询所有记录的选项是（ ） A: Object list=runner.query(sql, new BeanHandler＜User＞(User.class)); B: List list=runner.query(sql, new BeanHandler＜User＞(User.class)); C: List＜User＞ list=runner.query(sql, new BeanHandler＜User＞(User.class)); D: List＜User＞ list=runner.query(sql, new BeanListHandler＜User＞(User.class));Object num =runner.delete(1, sql);

已知，存在 QueryRunner对象 runner ， SQL语句：String sql = "select * from user";下面操作中，能实现查询所有记录的选项是（） A: List<;User>; list=runner.query(sql, newBeanHandler<;User>;(User.class)); B: List<;User>; list=runner.query(sql, new BeanListHandler<;User>;(User.class));Object num =runner.delete(1, sql); C: Object list=runner.query(sql, new BeanHandler<;User>;(User.class)); D: List list=runner.query(sql, new BeanHandler<;User>;(User.class));

使用SQLiteDatabase对象db，从user表中查找name为tom的记录，使用的语句为： A: db. query("user",null,"name=?",new String[]{"tom"},null,null,null) B: db. query("user",null,"name",new String[]{"tom"},null,null,null) C: db. query("user",null,"name=?",new String[]{tom},null,null,null) D: db. query("user",null,"name=tom",null,null,null,null)

new security issues arise when the user may not be trusted, or the user and the owner of the host computer are mutually suspicious. A: dubious B: shifty C: susceptible D: eprobative

New security issues arises when the user may not be trusted, or the user and the owner of the host computer are mutually suspicious. A: dubious B: shifty C: susceptible D: reprobative

使用相关命令完成以下用户操作： （1）建立一个新用户new_user，并将用户的主要组设置为root组。[br][/br] （2）设置new_user用户的密码。

Your company security policy requires complex passwords. You have a comma delimited file named import.csv that contains user account information. You need to create user account in the domain by using the import.csv file. You also need to ensure that the new user accounts are set to use default passwords and are disabled. What shoulld you do（）