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数据库答案5(国外英文资料)
数据库答案5(国外英文资料) Paper number: 8193 Language: the Access Test plan: 10112X database AccessK The total score: 100 points Common problem: 5 kinds ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ 1, fill in the blank 5 questions (up to 20 points) ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ Problem 1 (4) : 229 The special operator Is Null to specify a field for [1]. The answer: 1). Empty Problem 2 (4) : 3760 The special operator Is Null to specify a field for [1]. The answer: 1). Empty Problem 3 (4) : 2574 Setting [1] in the Access database helps to quickly find and sort Access text, Numbers, date/time, currency, and automatic number data types. The answer: Index of 1). Problem 4 (4) : 4971 [1] the input mode of the data, the specific control data input function. The answer: Input mask Problem 5 (4) : 2563 Data sources in the form include tables and [1]. The answer: 1). The query ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ (15 points in total) ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ Problem 1 (3) : 661 The meaning of macros OpenQuery operations is to open the query form Answer: Y Problem 2 (3) : 654 Selecting the required fields for the query can be from one or more tables, but not from the running results of a single query Answer: N Problem 3 (3) : 651 When viewing the contents of a more field table, the freeze action is used to keep some fields in place for the time being Answer: Y Problem 4 (3) : 662 Objects that exist and differ from one another are called entities Answer: Y Problem 5 (3) : 674 A relationship is a two-dimensional table Answer: Y ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ (20 points) ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ ━ Problem 1 (2) : 1657 In relational theory, if a property or property group of a relationship can uniquely identify a tuple, it can be called the attribute or attribute group A: the index code B: the key word C: the domain D: relationship name Answer: B Problem 2 (2) : 1689 In the data structure, the data is not related to the computer in question. A: storage structure B: physical structure C: logical structure D
有哪些信誉好的足球投注网站
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