题目
题目

IS 4420-301 Summer 2025 COMPLETE: Quiz 2 - Data Modeling

匹配题

Match the following terms and definitions that are used in relational algebra: 1: SELECT 2: PROJECT 3: Union-Compatible 4: UNION 5: JOIN

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标准答案
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思路分析
The question asks you to match terms used in relational algebra with their definitions. The prompt provides five terms and five corresponding definitions in the answer list, which we will map one by one. Option 1: The definition given is 'Also known as RESTRICT, yields rows that satisfy a given condition.' This describes the SELECT opera......Login to view full explanation

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