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Which command will allow the creation of a10-character login user name?（）
- A、chlogin -a log_name=10
- B、chdev -l sys0 -a max_logname=10
- C、chusr extended_logname=true [userid]
- D、chuser login_name=10 extended_logname=true [userid]
参考答案
更多 “Which command will allow the creation of a10-character login user name?（）A、chlogin -a log_name=10B、chdev -l sys0 -a max_logname=10C、chusr extended_logname=true [userid]D、chuser login_name=10 extended_logname=true [userid]” 相关考题
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Which command will allow the creation of a10－character login user name?()
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Which command will allow the creation of a 10-character login user name？（） A、chlogin -a log_name=10B、chdev -l sys0 -a max_logname=10C、chusr extended_logname=true [userid]D、chuser login_name=10 extended_logname=true [userid]
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Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）A、The SKD user cannot log in to the database instance.B、The objects owned by the SKD user are not accessible to any user.C、The other users can access the objects owned by the SKD user， on which they have access.D、The password for the SKD user expires and the user is forced to change the password at the next log in
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Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）A、The SKD user cannot log in to the database instance.B、The objects owned by the SKD user are not accessible to any user.C、The other users can access the objects owned by the SKD user， on which they have access.D、The password for the SKD user expires and the user is forced to change the password at the next log in.
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多选题Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）AThe SKD user cannot log in to the database instance.BThe objects owned by the SKD user are not accessible to any user.CThe other users can access the objects owned by the SKD user， on which they have access.DThe password for the SKD user expires and the user is forced to change the password at the next log in
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多选题Which two statements are true of login classes?（）AUsers can be members of multiple login classes.BLogin classes define authorization parameters for a user.CThere are five system-defined login classes.DLogin class permission flags can be overridden for certain commands.
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单选题Which command will allow the creation of a10-character login user name?（）A
chlogin -a log_name=10B
chdev -l sys0 -a max_logname=10C
chusr extended_logname=true [userid]D
chuser login_name=10 extended_logname=true [userid]
考题
单选题Which statement is true regarding this setting?（）A
It drops the connection after the specified number of login attempts fail for any user.B
It is enforced only if the password profile is enabled for the user. C
It locks the user account after the specified number of attempts. D
It drops the connection after the specified number of login attempts fail only for users who have the SYSDBA privilege.
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单选题以下可用于获取session对象的属性userid的值是（）A
session. getAttribute（“userid”）；B
session. setAttribute（“userid”）；C
request. getParameter（userid）；D
session. getAttribute（userid）；
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单选题现有表user，字段：userid，username，salary，deptid，email；表department，字段：deptid，deptname；下面（）应采用检查约束来实现。A
若department中不存在deptid为2的纪录，则不允许在user表中插入deptid为2的数据行。B
若user表中已经存在userid为10的记录，则不允许在user表中再次插入userid为10的数据行。C
User表中的salary（薪水）值必须在1000元以上。D
若User表的email列允许为空，则向user表中插入数据时，可以不输入email值。
考题
多选题Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）AThe SKD user cannot log in to the database instance.BThe objects owned by the SKD user are not accessible to any user.CThe other users can access the objects owned by the SKD user， on which they have access.DThe password for the SKD user expires and the user is forced to change the password at the next log in.
考题
单选题Which command will allow the creation of a 10-character login user name？（）A
chlogin -a log_name=10B
chdev -l sys0 -a max_logname=10C
chusr extended_logname=true [userid]D
chuser login_name=10 extended_logname=true [userid]
考题
单选题以下（）可用于检索session属性userid的值。A
session.getAttribute（“userid”）B
session.setAttribute（“userid”）C
request.getParameter（“userid”）D
request.getAttribute（“userid”）
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