D426 Study guides, Class notes & Summaries

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

WGU D426 (v2) Revised 2024 The relationship that describes how one attribute's value can determine another's - ANSWER Functional Dependency An attribute determining the value of another attribute - ANSWER Determinant Unique and minimal attribute determining non-key attributes - ANSWER Candidate Key Defines and manages...

D426 WGU Data Management - Foundations Exam Study Guide 2023 D426 WGU Data Management - Foundations Exam Study Guide 2023 D426 WGU Data Management - Foundations Exam Study Guide 2023

data - Answer- Numeric, textual, visual, or audio information that describes real-world systems scope, format, and access - Answer- 3 ways data can vary scope - Answer- the amount of data produced and collected format - Answer- describes that data may be produced as numbers, text, image, audio, or video access - Answer- describes that some data sets may be private while others are made publicly available analog - Answer- historically, most data was ____, encoded as continuous vari...

WGU D426 V2 Exam | Data Management Foundations Questions and Answers Graded A+ Latest 2024 WGU D426 V2 Exam | Data Management Foundations Questions and Answers Graded A+ Latest 2024 WGU D426 V2 Exam | Data Management Foundations Questions and Answers Graded A+ Latest 2024

WGU D426 (Latest 2023/ 2023 Update) Data Management Foundations Exam| Guide with Questions and Verified Answers|100% Correct| Grade A Q: What does SQL stand for? Answer: Structured Query Language. Q: What can SQL statements do? Answer: Read and write data, create and delete tables, and administer the database system. Q: What is big data? Answer: Massive volumes of online data, often with poorly structured or missing information. Q: What is NoSQL? ...

WGU D426 V2 Actual Exam | 160 Questions and Answers 2024 Graded A. The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Functional Dependency An attribute that can be used to find the value of another attribute in the relation. Determinant Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Candidate Key Define & manage database structures DDL Ad...

WGU D426 Terms

WGU D426 Data Management Foundations Exam (Latest 2023/ 2023 Update) | Questions and Verified Answers|100% Correct| Grade A Q: The data about the data. Describes elements such as columns, names, and data type. Answer: Metadata Q: Ordered collection of elements in parentheses. Answer: Tuple Q: % of table rows selected by a query Answer: Hit Ration Q: Reads blocks directly, without accessing an index. Answer: Table Scan Q: Reads index blocks sequentially in...