When reviewing data access plans, sequential searching is slowing the database.One way to fix this is:查看数据访问计划时,顺序搜索正在降低数据库的速度。解决这个问题的一种方法是::()?
(A)Adding more memory添加更多内存
(B)Creating new indexes创建新索引
(C)Converting it to an in-memory database将其转换为内存中的数据库
(D)Moving the database to the cloud将数据库迁移到云
(E)Reducing the number of database users减少数据库用户数量 答案解析: ~ P243,索引可以提高性能,像文本等内容,经过索引后可以进行加速。
参考答案
继续答题:下一题


更多CDMP数据治理试题
- 1We do not expect to consult the metadata repository when我们不希望在以下情况下查询元数据存储库:()?
- 2请从下列选项中选择不属于规划组织数据治理活动的选项
- 3Which of these are increasingly driving legislation for information security and data privacy?以下哪一项不断推动着信息安全及数据私隐的立法?:()?
- 4One of the difficulties when integrating multiple source systems is:对于集成多个原始系统的困难点在于::()?
- 5In the conceptual data model an instantiation of a particular business entity is described as:在概念数据模型中特定的业务实体将被描述为::()?
- 6Data governance stakeholders include all of the following EXCEPT数据治理利益相关者包括以下所有人,但不包括:()?