房地产用途的多样性，使得同一宗房地产在用途和方式上产生了（）与（）。 功能。 优选。 价格。 竞争。
The TRANS_SUMMARY table contains product-wise transaction details that get updated with every transactionin the system. Each row has cumulative transaction details of a single product and every product is identified bya product code， which is the primary key.As part of the archival process， the company wants to transfer therows in the TRANS_SUMMARY table to the TRANS_SUMMARY_DUP table at the end of every quarter of theyear. Along with existing products， the company deals with many new products during every quarter. Whichmethod is best suited for this quarterly data transfer（） Using the MERGE command。 Using the SQL*Loader utility。 Using the correlated UPDATE command。 Using the INSERT command to perform bulk operatio。
总大肠菌群中不包括（） 埃希氏菌。 芽孢杆菌。 肠杆菌。 克雷伯氏菌。
A customer would like to consolidate multiple database workloads to a single server to reduce TCO. What is the effect of PowerVM on TCO？（） Reduces SAN cost。 Reduces network cost。 Reduces administration costs。 Reduces software licensing cost。
水利工程保修期从工程移交证书写明的工程完工日起一般不少于（）。 一年。 三年。 五年。 十年。
监理单位的职责包括（）。
