WGU C175/d426

This document contains Objective Assessment Exam 2 questions and detailed answers for the C175/D426 Data Management Foundations course at Western Governors University. It includes verified questions covering key database concepts such as relational models, SQL queries, normalization, and database design principles. The guide helps students review essential data management topics and prepare effectively for the objective assessment.

WGU C175/d426 Data Management Foundations Final Exam Study Review Solutions Basic key words What is a broad definition of data? Raw facts that are captured on printed or digital media Which technology has no internal hierarchy? Flat files How were data retrieved before database management systems?Sequentially from simple files In which two ways does a database management system environment increase effectiveness in working with data? - It enables data sharing, - It permits storage of va...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM -with 100% verified solutions- CORRECT AND VERIFIED ANSWERS)|ALREADY GRADED A+ VERSION A What does modality refer to? How does it appear on ER diagram? - ANSWER- Refers to the MINIMUM number of times an instance in one entity can be associated with instance of another entity (minima) Appears as a 0 or 1 on the relationship line, next to cardinality Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either ...