C170 - Study guides, Class notes & Summaries

WGU C170 Study Guide (Latest 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Grade A Q: domain: In data modeling, the construct used to organize and describe an attribute's set of possible values. Q: entity integrity Answer: The property of a relational table that guarantees each entity has a unique value in a primary key and that the key has no null values. Q: equijoin Answer: A join operator that links tables based on an equality condition tha...

WGU C170 OBJECTIVE ASSESSMENT EXAM AND PRACTICE EXAM /WGU C 170 DATA MANAGEMENT APPLICATIONS OA 300 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

WGU C170 - Data Management – Applications Study guide solution

WGU C170 Exam (Latest 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Grade A Q: What are homonyms and synonyms, and why should they be avoided in database design? Answer: Homonyms appear when more than one attribute has the same name. Synonyms exist when the same attribute has more than one name. Avoid both to avoid inconsistencies. Q: How would you implement a 1:M relationship in a database composed of two tables? Answer: A car is owned just by one custome...

WGU C170 - Data Management - Applications With Complete Solutions Latest Update

Data Management Applications C170 What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a dis...

Data Management Applications C170 What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a dis...

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WGU C170 Exam (New 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Graded A QUESTION What type of integrity is enforced when a primary key is declared? Answer: Creating a primary key constraint enforces entity integrity (i.e. no part of the primary key can contain a null and the primary key values must be unique). QUESTION What is a recursive relationship? Given an example. Answer: A recursive relationship exists when an entity is related to itse...