Logical database design - Study guides, Class notes & Summaries

D426 WGU Data Management - Foundations Real Exam with Complete Solutions…Grade A+ 1. Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality: Authorization 2. Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design: Conceptual design 3. 3. What characterizes the rules of relational ...

WGU D426 Objective Assessment V2 (Latest 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: SUBQUERY Sometimes nested query or inner query, which is a query within another SQL query Q: ALIAS Answer: Temporary name assigned to a column or table Q: Flattening Answer: Replaces a subquery with an equivalent join Q: Entity Answer: Person, place, product, concept, or activity Q: Relationship Answer: A st...

D426 WGU Data Management – Foundations; Questions and Answers 100% Solved Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Correct answer Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Correct answer Conceptual design

WGU - D426: Objective Assessment Questions and Answers Already Passed Database Application Software that helps business users interact with database systems. Database Administrator Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authoriz...

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 Complete Exam OA (New 2023/ 2023 Update) Data Management Foundations | Grade A | Questions and Verified Answers|100% Correct QUESTION Requirements are represented as Answer: entities, relationships, and attributes. An entity is a person, place, activity, or thing QUESTION A relationship is a link Answer: between entities, and an attribute is a descriptive property of an entity. QUESTION Analysis has many alternative names, such as Answer: conceptual...

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 Adding, deleting, and modifying data - Manipula...

WGU DATA MANAGEMENT FOUNDATIONS D426 FINAL EXAM WITH COMPLETE SOLUTIONS…GRADE A+ 1 Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality— correct answer --Authorization 2 . Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design-- correct answer --Conceptual design 3 What ...

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 - Data M Red Text Already Passed Database Application software that helps business users interact with database systems Database Administrator Responsible for securing the database system against unauthorized users. Enforces procedures for user access and database system availability. Query Processor interprets queries, creates a plan to modify the database or retrieve data, and returns query results to the application. Performs query optimization Query Optimization ens...