It c175 Study guides, Class notes & Summaries

WGU C175 / D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers (100% Correct) Graded A+. Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either be fully NULL or match some primary key value 4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is updated 2. Foreign key is updated 3. Row containing primary key is DELETED 4. Row containing foreign key is INSERTED 4 Actions to Correct Referential Integrity Violation: - A...

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 Data Management – Foundations Final Exam (Latest 2023/ 2024) Questions and Verified Answers- Grade A Q: A one-to-many unary relationship allows an occurrence of the entity type on the "one side" of the relationship to be associated with . a) a single occurrence of the same entity type b) multiple occurrences of the same entity type c) a single occurrence of the different entity type on the "many side" of the relationship d) multiple occurrences of the different en...

WGU C175 OBJECTIVE ASSESSMENT PRACTICE TEST ANSWERS| IT CIS111 TEST BANK 2 2022/2023 UPDATE

WGU C175 EXAM | WGU D426 DATA MANAGEMENT FOUNDATIONS OA EXAM 2024 ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS) ALREADY GRADED 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

WGU C175 Quizzes with Complete Solutions WGU C175 Quizzes with Complete Solutions WGU C175 Quizzes with Complete Solutions One disadvantage of the DBMS is that it increases the risk of data security breaches. - ANSWER-False Accurate, relevant, and timely information is the key to____. - ANSWER-good decision making _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. - ANSWER-Performance tuning The...

Data Management Foundations - WGU C175 Questions and Answers 100% AccurateData Management Foundations - WGU C175 Questions and Answers 100% AccurateData Management Foundations - WGU C175 Questions and Answers 100% Accuratead hoc query - ANSWER-A "spur-of-the-moment" question analytical database - ANSWER-A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making availability - ANSWER-In the context of data security, it refer...

Data Management - Foundations - C175 Questions and Answers 100% Accurate Data Management - Foundations - C175 Questions and Answers 100% Accurate Data Management - Foundations - C175 Questions and Answers 100% Accurate ad hoc query - ANSWER-A "spur-of-the-moment" question. analytical database - ANSWER-A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making. availability - ANSWER-In the context of data ...

WGU C175 Quizzes with Complete Solutions! WGU C175 Quizzes with Complete Solutions! WGU C175 Quizzes with Complete Solutions! One disadvantage of the DBMS is that it increases the risk of data security breaches. - ANSWER-False Accurate, relevant, and timely information is the key to____. - ANSWER-good decision making _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. - ANSWER-Performance tuning The re...

WGU C175 EXAM | WGU D426 DATA MANAGEMENT FOUNDATIONS OA EXAM 2024 ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS) ALREADY GRADED 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