• 2022-06-14 问题

    以下选项中哪些是合法命名的标识符? A: Username B: 1name C: user_name D: user-name E: user name F: $username G: name1

    以下选项中哪些是合法命名的标识符? A: Username B: 1name C: user_name D: user-name E: user name F: $username G: name1

  • 2022-06-07 问题

    在tb_name表中创建一个名为name_view的视图,并设置视图的属性为name、pwduser,执行语句是什么?( ) A: CREATE VIEW name_view(name,pwd,user)AS SELECT name.pwd,user FROM tb_mame; B: SHOW VIEW name_view(name,pwd,user) AS SELECT name,pwd,user FROM tb_mame: C: DROP VIEW name_view(name,pwd,user) AS SELECT name,pwd,user FROM tb_mame: D: SELECT * FROM name_view(name,pwd,user) AS SELECT name,pwd,user FROM tb_ name:

    在tb_name表中创建一个名为name_view的视图,并设置视图的属性为name、pwduser,执行语句是什么?( ) A: CREATE VIEW name_view(name,pwd,user)AS SELECT name.pwd,user FROM tb_mame; B: SHOW VIEW name_view(name,pwd,user) AS SELECT name,pwd,user FROM tb_mame: C: DROP VIEW name_view(name,pwd,user) AS SELECT name,pwd,user FROM tb_mame: D: SELECT * FROM name_view(name,pwd,user) AS SELECT name,pwd,user FROM tb_ name:

  • 2021-04-14 问题

    【多选题】下面语句可以实现查询user表中“zhangsan”的user,password,logins信息的是 A. select logins,user,password from user where name like ’%zhangsan%’; B. select user,password,logins, from user where name like ’zhangsan’; C. select password,logins,user from user where name=’zhangsan’ limit 1; D. select user,password,logins from user where name=’zhangsan’;

    【多选题】下面语句可以实现查询user表中“zhangsan”的user,password,logins信息的是 A. select logins,user,password from user where name like ’%zhangsan%’; B. select user,password,logins, from user where name like ’zhangsan’; C. select password,logins,user from user where name=’zhangsan’ limit 1; D. select user,password,logins from user where name=’zhangsan’;

  • 2022-06-03 问题

    下列哪些SQL语句可以查询出User表中name为张三的记录()。 A: SELECT * FROM User WHERE name = ’张三’ B: SELECT * FROM User WHERE name = ’张三’ LIMIT 0,1 C: SELECT * FROM User WHERE name LIKE ’张三’ D: SELECT * FROM User WHERE name LIKE ’%张三%’

    下列哪些SQL语句可以查询出User表中name为张三的记录()。 A: SELECT * FROM User WHERE name = ’张三’ B: SELECT * FROM User WHERE name = ’张三’ LIMIT 0,1 C: SELECT * FROM User WHERE name LIKE ’张三’ D: SELECT * FROM User WHERE name LIKE ’%张三%’

  • 2022-06-19 问题

    在HBase中,创建一张名为“user_c”的表,该表有一个名为“User”的列族,其相应Shell命令应该是()。 A: create‘user_c’,{name=>‘User’}; B: create{‘user_c’=>‘User’}; C: create‘user_c’,{NAME=‘User’}; D: create‘user_c’,{NAME=>‘User’};

    在HBase中,创建一张名为“user_c”的表,该表有一个名为“User”的列族,其相应Shell命令应该是()。 A: create‘user_c’,{name=>‘User’}; B: create{‘user_c’=>‘User’}; C: create‘user_c’,{NAME=‘User’}; D: create‘user_c’,{NAME=>‘User’};

  • 2022-05-28 问题

    The following can be used as a field ( ). A: user’s name B: user’s telephone C: product name D: product supplier

    The following can be used as a field ( ). A: user’s name B: user’s telephone C: product name D: product supplier

  • 2021-04-14 问题

    ${user.name}等价于${user[name]}。

    ${user.name}等价于${user[name]}。

  • 2021-04-14 问题

    ___________ a user name and password. Sign in to the system.

    ___________ a user name and password. Sign in to the system.

  • 2021-04-14 问题

    00a0a user name and password Sign in to the system

    00a0a user name and password Sign in to the system

  • 2022-10-29 问题

    下列是将所有与JavaBean对象属性同名的传入参数的值赋值给对应的同名属性,从而使用一个setProperty动作一次性完成对多个属性的赋值是( )。 A: <jsp:setProperty name="user" property ="name" value ="Lily" /> B: <jsp:setProperty name="user" property ="name" param ="name" /> C: <jsp:setProperty name="user" property ="name" /> D: <jsp:setProperty name="user" property =" *" />

    下列是将所有与JavaBean对象属性同名的传入参数的值赋值给对应的同名属性,从而使用一个setProperty动作一次性完成对多个属性的赋值是( )。 A: <jsp:setProperty name="user" property ="name" value ="Lily" /> B: <jsp:setProperty name="user" property ="name" param ="name" /> C: <jsp:setProperty name="user" property ="name" /> D: <jsp:setProperty name="user" property =" *" />

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