资格证大类

You execute this command in MOUNT mode： ALTER DATABASE ARCHIVELOG；  Where is the information that the database is now in ARCHIVELOG mode stored？（）

A、SPFILE

B、archive log

C、control file

D、system tablespace

系统总线

A System p administrator needs to run the annualreval.sh script， directing standard error to /var/log/reval.err， and appending standard out to /var/log/reval.log.  How can this be accomplished （）

A、annualreval.sh 2>&1 /var/log/reval.log 2> /var/log/reval.err

B、annualreval.sh 1>/var/log/reval.log 2>/var/log/reval.err

C、annualreval.sh 2>>&1 /var/log/reval.log /var/log/reval.err

D、annualreval.sh 1>>/var/log/reval.log 2>/var/log/reval.err

入侵检测系统

纳税人在发生法定纳税义务后，按照税法所规定的内容，按期以书面形式向主管税务机关提交有关纳税事项及应缴税款的行为称为（）。

A、税务登记

B、纳税鉴定

C、纳税申报

D、企业年检

创建文件test2.txt、test3.txt，分别创建test2.txt的硬链接和软链接test2.soft、test2.hard，并查看其文件类型和权限。

激光打印机使用的纸张必须在一定的厚度和光洁度范围内，才能保证打印过程正确进行

A、对

B、错

While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）

A、It updates the existing SQL profiles with current statistics

B、It makes the statistics information available to GATHER_STATS_JOB

C、It initiates the statistics collection process by running GATHER_STATS_JOB

D、It logs a warning message in the alert log so that the DBA can perform statistics collection manually

What is the most likely problem with this script （） VAR=1   （（VAR=$VAR+1））    while [ $VAR -It 10 ]    do   echo $VAR  done

A、#!/bin/ksh line is missing

B、Variable name VAR is not properly initialized

C、Loop variable is not incremented inside the loop

D、Replace brackets with braces

Which three SELECT statements display 2000 in the format "$2,000.00"? （）

SELECT TO_CHAR(2000, '$#,###.##') FROM dual;

SELECT TO_CHAR(2000, '$0,000.00') FROM dual;

SELECT TO_CHAR(2000, '$9,999.00') FROM dual;

SELECT TO_CHAR(2000, '$9,999.99') FROM dual;

SELECT TO_CHAR(2000, '$2,000.00') FROM dual;

SELECT TO_CHAR(2000, '$N,NNN.NN') FROM dual;