题目内容

代理备份会消耗系统资源()

A. 正确
B. 错误

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到建党__时,全面建成惠及十几亿人口的更高水平的小康社会,是我们党进入新世纪后,在基本建成小康社会基础上提出的__,是对人民的__

假设用户不小心更改了一些设置值,可以选择()来恢复,方便于发生故障时进行调试()

A. Load Setup Defaults
B. Load Turbo Defaults
C. PNP/PCI Configuration
D. AMD Advanced Chipest Features

oracle关闭数据字典访问权限需要执行的命令为:()

A. alter system set O7_DICTIONARY_ACCESSIBILITY=0 scope=spfile;
B. alter system set O7_DICTIONARY_ACCESSIBILITY=FALSE scope=spfile;
C. alter system set O7_DICTIONARY_ACCESSIBILITY=null scope=spfile;
D. alter system set O7_DICTIONARY_ACCESSIBILITY=none scope=spfile;

sqlserver查询空口令用户需要执行的sql语句为()

A. Select name.Password from syslogins where password is null order by name
B. Select name.Password from syslogins where password is none order by name,Password
C. Select name.Password from syslogins where password=null order by name,Password
D. Select name.Password from syslogins where password=none order by name

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