从哪朝以后,“中国”一词才逐渐演变为正统朝代的标志?()
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915/925芯片组与865/875芯片组相比,增加了对()的支持。
A. Hyper-Threading处理器超线程技术
B. 性能加速技术
C. PCI Express
D. 1066MHz的前端总线
Your developers have created table to store some of their program's data. After examining the slow Query Log, you see that they are using the LIKE operator and SUBSTER () functions against a VARCHAR (10000) column quite often. An example of the start of one row of data: 'GREEN01020495888331993-12-10/2…' What should you do to improve the overall performance?()
A. Convert the column to TEXT and add a fulltext index to the table
B. Create multiple prefix indexes of differing lengths
Convert their column to BINARY
D. Redesign the table so that the most commonly searched for string patterns are in their own colum
A地市电力公司营销部在开展用电信息采集建设的过程中依照市的实际情况进行了采集工程的勘设、设计、概(预)算编制,并编制了市物资需求,形成采购计划上报省公司,接下来组织了施工工作,并认为其本职工作已经全部完成。本案中A电力公司营销部的工作是否全部完成?