Query processing - Study guides, Class notes & Summaries

WGU D276 WEB DEVELOPMENT FOUNDATIONS 100% SOLVED Action Attribute (attribute of <form> element) defines the action to be performed when the form is submitted Target Attribute (attribute of <form> element) specifies where to display the response that is received after submitting the form _blank (a Target Attribute value) The response is displayed in a new window or tab _self (a Target Attribute value) The response is displayed in the current window _parent (a Target Attribute val...

file structure the format that data is arranged and stored in a file. flat files Files having no internal hierarchy heap files Files containing an unsorted set of records that are uniquely identified by a record id which allows them to be inserted or deleted using that id. index files Files containing an unsorted set of records that are uniquely identified by a record id which allows them to be inserted or deleted using that id. hashed files Files which use a hash function to decide where ...

Cloud services layer correct answers Brain layer. Manages everything Query planning, optimization, compilation What is performed by the cloud services layer? correct answers Metadata management, storage Data security User authentication Compute layer correct answers Processing layer, virtual warehouses layer Storage layer correct answers data layer Associated with compute layer correct answers query processing Snowflake features correct answers Storage can scale up and down wit...

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 _______ 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...

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...

Data Management Foundations Latest Update Graded A+ file structure the format that data is arranged and stored in a file. flat files Files having no internal hierarchy heap files Files containing an unsorted set of records that are uniquely identified by a record id which allows them to be inserted or deleted using that id. index files Files containing an unsorted set of records that are uniquely identified by a record id which allows them to be inserted or deleted using that id...

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...

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...

BUAD 342 Exam 2 Latest Version Already Passed File-Oriented Processing Mandate a 1-to-1 relationship between programs and data files Data-Oriented Processing Create a single data repository to support numerous applications; a data pool is created and a variety of programs access needed data from the shared data pool Database Management System (DBMS) The resource available to define and manage data structures in an information system Relational Database Based on the theory of rel...