配第―克拉克定理中用来反映产业结构变化的要素是（） 劳动力和国民收入。 劳动力。 国民收入。 经济增长。
一般地，在幼儿园的环境规划设计上，需要遵循原则是（） 确保安全，合乎卫生要求。 环境条件要为保育和教育服务。 环境创设要因地制宜、经济适用。 建设与管理并行，适用与维护并重。
Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（） Backup compression is disabled by default.。 Backup compression can be used with both backup sets and image copies.。 Backup compression cannot be enabled using the CONFIGURE command.。 Backup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.。 Backup compression applies to only backup sets.。 Backup compression applies to only image copies.。
You are creating a locally managed tablespace to meet the following requirements： All the extents should be of the same size. The data should be spread across two data files. A bitmap should be used to record the free space within the allocated extents. Which three options would you choose？（） set PCTFREE and PCTUSED to 50。 specify extent allocation as Uniform。 specify extent allocation as Automatic。 create the tablespace as bigfile tablespace。 create the tablespace as smallfile tablespace。 set segment space management to Automatic。 use the RESIZE clause while creating the tablespace。
基本养老保险基金出现支付不足时，政府给予补贴。
You installed WebLogic, SOA Suite, and Oracle Service Bus on a machine and want to use the WebLogic Node Manger to start servers for each product. Which statement is true?（）
