物流服务的组成要素根据它们存在的阶段不同可被划分为3组，以下属于交易后要素的是（） 库存保证率。 订单满足率。 客户投诉率。 订货处理时间。
水利工程的观测资料包括沉降、（）、测压管水位等资料。 水平位移。 气压。 渗漏量。 工程状况。
In which case would you use a FULL OUTER JOIN? （） Both tables have NULL values.。 You want all unmatched data from one table.。 You want all matched data from both tables.。 You want all unmatched data from both tables.。 One of the tables has more data than the other.。 You want all matched and unmatched data from only one table.。
Which of the following is not a valid linguistic sort element?（） Accent expansion。 Canonical equivalence。 Reverse secondary sorting。 Ignorable characters。 Character rearrangement。
A customer wants to install an IBM BladeCenter infrastructure but is concerned about the cost of the full fabric internal fibre switches. Consequently, the customer is considering an N_Port ID Virtualization (NPIV) capable switch.Which of the following should be mentioned to the customer regarding the NPIV switch?（） You can not use an NPIV switch in the same IBM BladeCenter chassis as a Cisco Intelligent Ethernet Switch 。 Using blade servers with the NPIV switch will require more fibre ports on the external fibre switch 。 Storage devices like Fibre Channel Tape and Disk cannot be attached to the NPIV Switch but must connect to a core fabric switch。 The NPIV switch will count against the number of domains in a fabric。
In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（）
