Query processor - Study guides, Class notes & Summaries

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...

Database Application - Answer Software that helps business users interact with database systems. Database Administrator - Answer Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization - Answer Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authorize individual users to access specific dat...

Computing Essentials 2019, 27e (O’Leary) Chapter 3 Application Software 1) This type of software works with end users, application software, and computer hardware to handle the majority of technical details. A) communications B) application C) utility D) system Answer: D Difficulty: 1 Easy Topic: Application Software Bloom's: Remember AACSB: Technology Accessibility: Keyboard Navigation Learning Outcome: 03-01 Identify general-purpose applications. 2) This type of software can be ...

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

WGU - D426: Objective Assessment|A+ Graded Questions with Complete Answers 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 au...

Database Application - ANSWER Software that helps business users interact with database systems. Database Administrator - ANSWER Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization - ANSWER Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authorize individual users to access specific data. Rul...

Database application correct answers software that helps business users interact with database systems Database administrator correct answers responsible for securing the database system against unauthorized users, enforces procedures Authorization correct answers limits user access Rules correct answers database systems ensure data is consistent with structural and business rules Query processor correct answers interprets queries, creates plan to modify database/retrieve data, and r...

The _______ includes the protocol, domain, and all subdomains, as well as the resource path ID and name of the document. URL A computer system is a collection of hardware and software components that work together to meet the needs of the user. Computer System The __________________ is the electronic circuit responsible for executing computer program instructions. Central Processing Unit Which device permits packet switching so that a message can be routed to the next link in a network? R...

The relationship that describes how one attribute's value can determine another's Functional Dependency An attribute determining the value of another attribute Determinant Unique and minimal attribute determining non-key attributes Candidate Key Defines and manages database structures DDL Manipulates data: adding, deleting, modifying DML Manages user accounts and permissions DCL Commands: CREATE, DROP, ALTER, TRUNCATE, RENAME DDL Stored v...

DB Administrator Secures the database from un-authencated access. DB Designer Determines the format and the structure of the database DB Programmer Develops programs or applications that will use the database DB Users Consumers of the data no the Database. Can access the DB through the app or query the database directly. Transactions - Ensures transaction are process completely or not at all - Prevents conflict between concurrent transactions - Ensure transacti...