A customer is building a database server， and the server does sequential write most of the time. They are planning to use an IBM x445 and a ServeRAID-6M adapter. Which of the following fault tolerant RAID levels will perform best for sequential write？（） ["RAID-5 with cache write back","RAID-1E with cache write back","RAID-10 with cache write thru","RAID-50 with cache write thru"]
影响房地产价格的经济因素具体是指（）。 ["经济发展因素","产业结构因素","财政金融因素","社会福利因素"]
Examine the exhibit to view the parameters set in your parameter file. (Click the Exhibit(s) button.) You restart the instance. To what value will the MEMORY_MAX_TARGET parameter be set by default?（） ["120M","320M","480M","600M"]
You execute the following Recovery Manager （RMAN） commands in he following order： BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST； Which two tasks are performed by these commands？（） [" Repair the corrupted blocks. If any. In the backup created"," Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks"," Back up the database after checking whether array of the files have corrupted blocks"," Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view"," Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION"]
变压器各侧线圈的电压比和它们的线圈匝数比（）。 ["相等","成正比","成反比"]
创业者的创业动机表现在哪里？
