Wgu c175 Study guides, Class notes & Summaries

14% Lesson 1 Introduction to Databases, Information and Data (7 Questions) Competency 4017.1.1: Introduction to Information and Data Explain how data, databases, and data management is used in today's organization Explain what data is and how is it stored Explain the different types of data Define file structures Explain how data was stored and retrieved before the use of database management systems 1.1 Why Databases • Best way to store and manage data • Makes data persiste...

WGU C175 OBJECTIVE ASSESSMENT PRACTICE TEST ANSWER 1. The Entity-Relationship (E-R) model is _____. a. a diagramming technique that describes record structures (i.e. the fields that make up the records of a file) b. an alternative to indexing and hashing as a means for providing direct access in files c. a diagramming technique that describes entities, their attributes, and the relationships between them d. an alternative to file design in which attributes are used instead of fields e. a diagram...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS)|ALREADY GRADED A+ WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS)|ALREADY GRADED A+

WGU C175/d426 Data Management Foundations Final Exam Study Review Solutions Basic key words GRADED A+

What is a broad definition of data? Correct Answer Raw facts that are captured on printed or digital media What are data? Correct Answer Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? Correct Answer It does not follow a data model. Which is true about flat files? Correct Answer They contain no internal hierarchical organization. Which technology has no internal hierarchy? Correct Answer Flat files How were data r...

WGU C175 Final Exam Review Solution guide_2022 Flat Files a file having no internal hierarchy Hashed Files A file that has been encrypted for security purposes. Heap File An unsorted set of records. Information The transformation of raw data into useful facts. Punch Card A card that is perforated and can hold commands or data. Structured Data Information with a high degree of organization. Unstructured Data Information that does not have structure (such as text) Binary Relatio...

C175 WGU /D426 DATA MANAGEMENT FOUNDATIONS OA 2024- 2025 ACTUAL TESTBANK LATEST EXAMS|2 VERSIONS 300+ QUESTIONS AND CORRECT DETAILED ANSWERS |AGRADE

WGU C175 FINAL EXAM 1+2 QUESTIONS AND ANSWERS GRADED A+

Flat Files - CORRECT ANSWER a file having no internal hierarchy Hashed Files - CORRECT ANSWER A file that has been encrypted for security purposes. Heap File - CORRECT ANSWER An unsorted set of records.