WGU C170 Data Management - Applications 2024 Study Guide
A database model - correct answer is a conceptual framework for database software The relational model - correct answer is a database model based on mathematical principles, with three parts: 1. A data structure that prescribes how data is organized. 2. Operations that manipulate data structures. 3. Rules that govern valid relational data. A domain - correct answer is a named set of possible database values, such as integers, dictionary words, or logical values TRUE and FALSE. A tuple - correct answer is a finite sequence of values, each drawn from a fixed domain. Ex: (3, apple, TRUE) is a tuple drawn from domains (Integers, DictionaryWords, LogicalValues).
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wgu c170 data management applications
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