弗来明发现青霉素是由于观察到在产黄青霉菌菌落周围不见有革兰阳性细菌生长,而再深入研究创造奇迹的。这是人类首次观察到的微生物之间的() 捕食关系。 寄生关系。 非专一性拮抗关系。 专一性拮抗关系。
A customer has two separate storage networks and is planning to implement an SVC to provide for FlashCopy between the two networks. What is the minimum number of ISL ports required?() 0。 1。 2。 4。
If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, what RMAN command would you run to correct the problem?() recover lost blocks。 recover corrupt blocks。 recover media corrupt blocks from list。 recover corrupt blocks from list。 recover corruption list。
选择性5一羟色胺再摄取抑制剂类抗抑郁药引起的不良反应包括() 性欲减退。 倦怠。 口干。 甲状腺功能减退。 心动过缓。
A customer has just added additional workload to their IBM System Storage DS5300. They do notfeel they are achieving the performance they expected. Which of the following will provide thecustomer with the most complete historical view of their current DS5300 system performance?() Disk Magic。 Capacity Magic。 Tivoli Storage Productivity Center for Data。 Tivoli Storage Productivity Center for Disk - Midrange Editio。
Which statement is true about a whole consistent database backup on a database running in ARCHIVELOGmode()
