What are two reasons to create synonyms? （） You have too many tables.。 Your tables are too long.。 Your tables have difficult names.。 You want to work on your own tables.。 You want to use another schema's tables.。 You have too many columns in your tables.。
The IBM N series management product that will provide centralized monitoring， reporting， datamanagement with detailed asset management reports that are customizable to capture specific，relevant information and address business needs is called （）？ Monitoring Manager。 Protection Manager。 Operations Manager。 Support Manager。
经调查研究表明，小企业创立的最主要和最直接的动力是（）。 争取更高的利润。 争取更大的自由。 获得个人成功。 按个人意愿做事。
A customer is installing an HMC-managed Power 720 with two partitions, one for Production the other for Testing. They plan to use the Testing partition only occasionally and want to minimize hardware. Which of the following meets these requirements?（） Create a system profile for each partition. Assign all needed resources as 'required'.。 Define all system resources as 'desired' on the Testing partition. Activate only as needed.。 Create two shared processor pools. Assign the minimal I/O resources required for each partition to the shared pools.。 Create both partitions with minimal 'required' resources, and optional resources as 'desired'. Activate each partition as necessary.。
下列不属于支付命令错误的是（） 支付命令认证错误。 支付命令的表述错误。 支付命令的错误执行。 错误的支付命令。
Which of the following products helps a customer identify a performance bottleneck?（）
