| 题目 |
题目类型 |
操作 |
| Disk mirroring occurs at the ________ level. 磁盘镜像发... |
普通选择题 |
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| In which situation would changes to production NOT... |
普通选择题 |
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| Changes to the quality assurance (QA) environment ... |
普通选择题 |
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| Database ________ usually occurs because of user e... |
普通选择题 |
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| What does a procedural DBA specialize in? 过程DBA 的专... |
普通选择题 |
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| What type of backup is taken while the application... |
普通选择题 |
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| Indexes are useful in all of the following situati... |
普通选择题 |
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| Data retention should be discussed with the data o... |
普通选择题 |
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| Production DBAs usually focus on all of the follow... |
普通选择题 |
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| Database performance is measured with _________ of... |
普通选择题 |
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| What is the basic goal of normalization? 归一化的基本目标是... |
普通选择题 |
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| What type of data modeling uses crow’s feet notati... |
普通选择题 |
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| Views are _________ tables computed from data in t... |
普通选择题 |
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| In a physical model, attributes translate into ___... |
普通选择题 |
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| What is vertical partitioning in database design? ... |
普通选择题 |
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| What is a characteristic of an entity called? 一个实体... |
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| The complete set of all possible values for an att... |
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| What type of key provides a link to another entity... |
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| What should be designed to improve database query ... |
普通选择题 |
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| A _________ is something of interest to the organi... |
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