When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? （）(Choose two.) It produces less accurate results of the comparison analysis.。 It automatically calls the SQL Tuning Advisor for recommendations.。 It shortens the time of execution and reduces the impact on system resources.。 Only the changes in the execution plan, and not performance regression, are detected.。
The ping loopback hangs with no output. Which of the following is the most likely cause？（） The loopback interface is down and resolv.conf is configured.。 The loopback is not in /etc/hosts and resolv.conf is configured.。 The loopback interface is down and resolv.conf is not configured.。 The loopback is not in /etc/hosts and resolv.conf is not configured.。
二级信息源包括（） 期刊杂志。 数据库。 国内文摘。 国外文摘。 专业指南。
加强队伍正规化建设是把公安机关努力建设一支（）的公安队伍。 政治坚定。 业务精通。 作风优良。 执法公正。
A storage specialist is proposing a solution consisting of an IBM System Storage TS3200 TapeLibrary and a SAN Volume Controller， both of which are being added to a customer’s existing SANenvironment for the first time. Which of the following should be completed before the proposal ispresented to the customer？（） TDA。 Capacity Magic。 business case review。 SAN configuration review。
从优待警主要包括（）等方面工作。
