Wgu c170 data Study guides, Class notes & Summaries

WGU C170 Data Management Applications (over 200 Questions & Answers)

WGU C170 Data Management Applications (over 400 Questions And Answers) Recent Updated exam.

A database model - -is a conceptual framework for database software The relational model - -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 - -is a named set of possible database values, such as integers, dictionary words, or logical values TRUE and FALSE. A tuple - -is a finite sequence of values, each drawn...

WGU C170 Data Management SQL Problem Solving Questions and ChatGPT' Solutions 2024/2025 Structural Constraints: - correct answer Rules that apply to all relational databases and dictate the structure of data. Business Policies: - correct answer Specific rules for a given database and application that govern the data. NULL - correct answer Represents missing data in a special value format. Operator - correct answer A symbol that calculates a value based on one or more operands. IS...

WGU C170 Data Management Applications Practice Exam With Solved Q&A Guaranteed pass WGU Course C170 - Data Management D Many-to-many Correct answer- D Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary C One-to-one unary D One-to-one binary Correct answer- A Which kind of relationship is displayed in this entity-relationship diagram? A Binary many-to-many B Unary ...

WGU C170 Data Management Applications Practice Exam Questions (over 400 Questions & Answers) 2022

WGU C170 Data Management – Applications, Rated A+. VERIFIED

domain - Answer-In data modeling, the construct used to organize and describe an attribute's set of possible values superkey - Answer-An attribute or attributes that uniquely identify each entity in a table. Any composite key with this is also this. candidate key - Answer-A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey entity integrity - Answer-The property of a relational table that guarantees each entity has a unique value in a ...