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Question 40 - DS0-001 discussion

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A database administrator is new to a company and wants to create a document that illustrates the interaction between tables. Which of the following should the administrator create?

A.
Troubleshooting guide
Answers
A.
Troubleshooting guide
B.
Entity relationship diagram
Answers
B.
Entity relationship diagram
C.
Data dictionary
Answers
C.
Data dictionary
D.
Database reference manual
Answers
D.
Database reference manual
Suggested answer: B

Explanation:

The document that the administrator should create to illustrate the interaction between tables is an entity relationship diagram. An entity relationship diagram (ERD) is a graphical representation of the entities (tables), attributes (columns), and relationships (constraints) in a database. An ERD helps the administrator to visualize the structure and design of the database, as well as the dependencies and associations among the tables. The other options are either different types of documents or not related to the interaction between tables. For example, a troubleshooting guide is a document that provides instructions on how to solve common problems or errors in a database; a data dictionary is a document that describes the metadata (information about data) of a database; a database reference manual is a document that provides information on how to use or operate a database.Reference:CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.2 Given a scenario, create database objects using scripting and programming languages.

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asked 02/10/2024
Raymond LaFrance
51 questions
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