Wguc175 - Study guides, Class notes & Summaries

Data Management - Foundations WGUC175. Exam Review Questions and answers, graded A+

WGUC175|QUESTIONSANDANSWERS| ALREADYGRADEDA+|2024 One disadvantage of the DBMS is that it increases the risk of data security breaches. - Correct Answer-False Accurate, relevant, and timely information is the key to____. - Correct Answer-good decision making _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. - Correct Answer-Performance tuning The response of the DBMS to a query is the ______. - Correct Answe...

Data Management - Foundations WGUC175. Exam Review Questions and answers, graded A+ 2024

WGUC175/d426DataManagement Foundations Final Exam Study Review Solutions Basic key words Whatisabroaddefinitionofdata?Rawfactsthatarecapturedonprintedordigitalmedia Whichtechnologyhasnointernalhierarchy?Flatfiles Howweredataretrievedbeforedatabasemanagementsystems?Sequentiallyfromsimplefiles Inwhichtwowaysdoesadatabasemanagementsystemenvironmentincreaseeffectivenessin workingwithdata?It enables datasharing, Itpermitsstorageofvastvolumesofdata. Whatistheuniquelyidentifiableelementaboutwh...

WGU C175 Data Management Foundations Final Exam Questions and Answers 2024/2025 Graded A+ . Which of the following is true of business rules? entity A(n) _______ is anything about which data are to be collected and stored. XML/Hybrid data model Oracle 11g is an example of the _______. entity instance Each row in the relational table is known as a(n) relational data model MySQL is an example of the _______. attribute A(n) _______ is the equivalent of a field in a file system. entity re...

WGU - C175 - Data Management Foundations - Comp 6 WGU - C175 - Data Management Foundations - Comp 6 WGU - C175 - Data Management Foundations - Comp 6

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers 2024/2025 (Graded A+) What does modality refer to? How does it appear on ER diagram? - ANSWERRefers 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 be fully NULL or match some primary key val...

WGU C175 Study Notes Latest 2024 | Best Revision to Score A+ WGU C175 Study Notes Latest 2024 | Best Revision to Score A+ WGU C175 Study Notes Latest 2024 | Best Revision to Score A+

WGU C175/d426 Data Management Foundations Final Exam Review Questions and Answers 2024/2025 | 100% SOLVED. What is a broad definition of data? Raw facts that are captured on printed or digital media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat ...

WGUC175|QUESTIONSANDANSWERS| ALREADYGRADEDA+|2024 One disadvantage of the DBMS is that it increases the risk of data security breaches. - Correct Answer-False Accurate, relevant, and timely information is the key to____. - Correct Answer-good decision making _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. - Correct Answer-Performance tuning The response of the DBMS to a query is the ______. - Correct Answe...