Data management foundati - Study guides, Class notes & Summaries

WGU C175 or D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 Versions-with 100% verified solutions-2023

WGU D426 Final Exam Review (Latest 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: In SQL language, what sublanguage (creates, alters, and drops tables) defines the structure of the database? Answer: Data Definition Language (DDL) Q: In SQL language, what sublanguage retrieves data from the database? Answer: - Data Query Language (DQL) Q: In SQL language, what sublanguage manipulates (inserts, updates and delet...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM 2023-2024 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 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 D426 Objective Assessment (Latest 2023/ 2023 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: The storage manager translates Answer: the query processor instructions into low-lev- el file-system commands that modify or retrieve data Q: Database sizes range from Answer: from megabytes to many terabytes, Q: the storage manager uses what to quickly locate data Answer: indexes Q: Metadata is Answer: data about the...

WGU DATA MANAGEMENT FOUNDATIONS D426 FINAL EXAM 2024 GRADED A+. 2 / 11 1. Which requirement within large, complex databases ensures users havelimited access to the database? Recovery Performance Authorization Confidentiality: Authorization 2. Which design type specifies database requirements without regard to aspecific database system? Physical design Conceptual design Logical design Abstract design: Conceptual design 3. 3. What characterizes the rules of relational databases? -Th...

WGU C175-D426 DATA MANAGEMENT FOUNDATIONS OA EXAM 2024 ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES CORRECT AND VERIFIED ANSWERS) ALREADY GRADED A+

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM -with 100% verified solutions- CORRECT AND VERIFIED ANSWERS)|ALREADY GRADED A+

WGU D426 Data Management Foundations Final Exam (Latest 2023/ 2023 Update) | Questions and Verified Answers|100% Correct| Grade A Q: Architecture Answer: Describes the internal components AND the relationships between components. Q: Query Processor Answer: Interprets queries, creates a plan to modify the database or retrieve the data, and returns query results to the application. Performs query optimization. Q: Query Optimization Answer: Ensures efficient instr...