Which four are attributes of single row functions? （） cannot be nested。 manipulate data items。 act on each row returned。 return one result per row。 accept only one argument and return only one value。 accept arguments which can be a column or an expressio。
某工程整体2层地下室、主楼地上12层、裙房地上4层，钢筋混凝土全现浇框架剪力墙结构，填充墙由小型空心砌块砌筑。基础为整体筏板，地下室外墙为整体剪力墙混凝土刚性防水，外加SBS卷材防水层。平整场地结束后.施工单位马上进行了工程定位和测量放线，然后进行土方开挖工作。整个基坑采取大放坡开挖，土方开挖至设计要求时，项目总工程师组织监理进行基坑验槽。经钎探检查，发现基坑内裙房部位存在局部软弱下卧层，项目总工召开现场会议，经协商决定采取灌浆补强，并按要求形成相关验收记录。本工程土方开挖时应检查的内容？开挖后应检查哪些内容？
What will be the end result of this set of RMAN commands？（） shutdown abort startup mount restore datafile 4 until time ，，09/30/2008：15：00：00； recover datafile 4 until time ，，09/29/2008：15：00：00； alter database open resetlogs； Datafile 4 will be recovered until 9/30/2008 at 15：00 and the database will open.。 The restore command will fail.。 The recover command will fail.。 The alter database open resetlogs command will fail.。 All these commands will fail because they must be in the confines of a run block.。
A large shipping company that is standardized on Fibre Channel storage has just acquired a regional shipping company that is using an IBM XIV system. The large company would like to integrate the XIV system into the environment and manage all data through a single management interface. Which product should be suggested so that all data can be managed?（） IBM DS8700。 IBM XIV GUI。 IBM System Storage N7600。 IBM SAN Volume Controller (SVC)。
电力系统的静态稳定是指（）。 系统正常运行的稳定性。 系统受到较小干扰下的稳定性。 系统受到较大干扰下的稳定性。
A manufacturing customer has an existing SAN for their AIX servers and they want to add theirWindows servers with file level access to their existing storage pool. Which of the following is thelowest cost solution?（）
