Q2. Data Models
Quiz
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Professional Development
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Professional Development
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Practice Problem
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Easy
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14 questions
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1.
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1 min • 1 pt
_______________ is the process of creating a simplified visual diagram of a software system and the data elements it contains, using text and symbols to represent the data and how it flows.
_______________ is the process of creating a simplified visual diagram of a software system and the data elements it contains, using text and symbols to represent the data and how it flows.
2.
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1 min • 1 pt
________________ In this phase, data relationships were identified.
3.
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1 min • 1 pt
______________ In this phase, provides the data architecture framework that will guide the physical model.
4.
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1 min • 1 pt
____________ In this phase, it allows database administrators to move forward with planning.
5.
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1 min • 1 pt
________________ data models organize data in a treelike arrangement of parent and child records.
6.
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1 min • 1 pt
________________ model maps the relationships between data elements stored in different tables that contain sets of rows and columns, making it easy to identify data relationships and create entity relationship (ER) diagrams.
7.
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1 min • 1 pt
________________ A variation of the relational model that can also be used with other types of databases, ER models visually map entities, their attributes and the relationships between different entities.
________________ A variation of the relational model that can also be used with other types of databases, ER models visually map entities, their attributes and the relationships between different entities.
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