Wguc175 - Study guides, Class notes & Summaries

Associative Entity - An associative entity is an element of the entity-relationship model. All relationships for the associative entity should be many. Attribute - An attribute is a property or characteristic of an entity. Binary relationship - A binary relationship is a relationship between two entity types. Candidate Key - Is any column or a combination of columns that can qualify as unique key in database. Cardinality - Cardinality represents the maximum number of entities that ca...

ad hoc query A "spur-of-the-moment" question analytical database A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making availability In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes centralized database A database located at a single site cloud database A database that is created and maintained using cloud services, such as Microso...

WGU C175 Final Exam Question Bank Latest Q&A Included 2024/2025

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 value 4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is updated 2. Foreign key i...

WGU C175/d426 Data Management Foundations Final Exam Review Questions and Answers (100% Solved) 2024/2025 (Graded A+) 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 hiera...

WGU C175 Data Management Foundations Test Questions and Answers 2024/2025 Graded A+. They can serve as a communication tool between the users and designers. 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)...

WGU C175 Final Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) 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 files How were data re...

They can serve as a communication tool between the users and designers. 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 relationship The ___...

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 files How were data retrieved before database management systems? Sequentially from simple files In which...

WGU C175 Final Exam Questions and Answers Latest Updated 2024/2025 Graded A+. 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 files How were data re...