A System x administrator is considering new storage subsystems. Which of the following is a benefit of SAS over Solid State? （） ["Higher transfer speeds ","Increased power consumption with Solid State ","Increased bandwidth ","Cost per MB"]
经过工程质量监督机构认定的项目划分，单元工程可以有适当的变动，分部工程和单位工程的调整应经过（）的同意 ["承包人","工程质量监督机构","项目经理","监理工程师"]
View the Exhibit exhibit1 to examine the series of SQL commands. View the Exhibit exhibit2 to examine the plans available in the SQL plan baseline. The baseline in the first row of the Exhibit is created when OPTIMIZER_MODE was set to FIRST_ROWS. Which statement is true if the SQL query in exhibit1 is executed again when the valueof OPTIMIZER_MODE is set to FIRST_ROWS?（） [" The optimizer uses a new plan because none of the plans in the exhibit2 are fixed plans."," The optimizer uses the plan in the second row of the exhibit2 because it is an accepted plan."," The optimizer uses the plan in the first row of the exhibit2 because it is the latest generated plan."," The optimizer uses the plan in the first row of the exhibit2 because OPTIMIZER_MODE was set to FIRST_ROW during its creation."]
You work as a database administrator for Supportcenter.cn. Your database is opened inNOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（） ["Execute the ALTER DATABASE ARCHIVELOG statement","Select ARCHIVELOG option in the database control and restart the database to apply the changes.","Shut down and start the instance， and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.","Shut down and start the instance， mount the database， then execute the ALTER DATABASE ARCHIVELOG statement."]
产业布局条件是指（） ["A.产业布局时的内部环境 ","B.产业布局时的外部环境 ","C.物质化的硬环境 ","D.物质化的软环境"]
为什么要研究课堂观察诊断技术。
