Composite primary key - Study guides, Class notes & Summaries

WGU D426 Web Development Data Management Foundations Exam Questions Provided with 100% Correct Answers WGU D426 Web Development Data Management Foundations Exam Questions Provided with 100% Correct Answers 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 speci...

WGU C175 Data Management Foundations Final Exam Questions and Answers 2024/2025 Graded A+ . 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 re...

MISY 5300 Final Review Latest Update Graded A+ Steps in conceptual level design Defining the necessary attributes for each entity and outlining their relationships based on business rules. This often involves creating an entity- relationship (E-R) diagram to visually represent the database structure. User perspectives Specific data required by individuals or processes for particular tasks. One-to-Many Relationship Indicates that one record in one table can correspond to multiple ...

©THESTAR 2024/2025 ALL RIGHTS RESERVED 9:50PM. 1 Oracle 12c SQL (ICT 3722) Exam Questions And Answers |Latest 2025 | Guaranteed Pass. Intelligent Key or Natural Key - Answerwhen data that already exists for example a book's ISBN is used as a primary key. Surrogate Key or Artificial Key - Answerif there is no data that exists that could be used as a primary key, a system generated ID is used as a primary key Database Management System - AnswerIts functions of a DBMS 1)Data Storage 2...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAMS 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 Define: Referential Integrity - A...

WGU D426 Web Development Foundations Terms Explained WGU D426 Web Development Foundations Terms Explained Data << correct answer >> Numeric, textual, visual, or audio information that describes real-world systems. Analog << correct answer >> Historically, data was mostly analog, encoded as continuous variations on various physical media. Digital << correct answer >> Today, data is mostly digital, encoded as zeros and ones on electronic and magnetic...

Chapter 3 Database Design Exam Questions And Correct Answers All 100% Verified Primary Key - Answer -Is a column, or a group of columns, used to identify a row. The primary key is usually the tables 1st column, and appears on the left of table diagrams, but the position is not significant to the database. * often, primary key values are used in the WHERE clause to select a specific row. * Primary keys must be: - Answer -- Unique: this rule ensures that each value identifies at most one...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e WGU D426 Exam Questions And Answers Updated 2024/2025 A ____ is a column, or group of columns, used to identify a row. - answerPrimary key A ____ consists of a single column. - answerSimple primary key A ____ key consists of multiple columns. - answerComposite primary All primary keys columns are necessary for uniqueness. When any column is removed, the resulting simple or composite column is no longer unique. - answerM...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS . 300 QUESTIONS WITH CORRECT AND DETAILED ANSWERS WITH RATIONALES. ALREADY GRADED A+. VERSION 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 Define: Referential Integrity...

WGU D426 Exam With Latest Questions And Answers. Updated And Verified. A ____ is a column, or group of columns, used to identify a row. - AnswerPrimary key A ____ consists of a single column. - AnswerSimple primary key A ____ key consists of multiple columns. - AnswerComposite primary All primary keys columns are necessary for uniqueness. When any column is removed, the resulting simple or composite column is no longer unique. - AnswerMinimal The ____ constraint in the CREATE TABLE statem...