Entity supertype - Study guides, Class notes & Summaries

What is a subtype discriminator? - ANSWER -basically you're estimating the trade off between having inconsistencies & redundancies for ease of searching the database by using a type -An attribute of the supertype whose values determine the target subtype(s) true or false: an associative entity belongs to a one-to-many relationship - ANSWER false—only many-to-many if you have a unary relationship with your database, what will the conversion look like? example: ingredients( INum, INa...

IS 410 Exam 1 Review Rated 100% Correct!! Data stored representations of meaningful objects and events Information data processed to increase knowledge in the person using the data Database organized collection of logically related data Metadata data that describes the properties and context of data (data about data) Database Management System A software system that is used to create, maintain, and provide controlled access to user databases External schema The view of end users C...

MIST 351 Final Correct Questions &What is a subtype discriminator? - ANSWER -basically you're estimating the trade off between having inconsistencies & redundancies for ease of searching the database by using a type -An attribute of the supertype whose values determine the target subtype(s) true or false: an associative entity belongs to a one-to-many relationship - ANSWER false—only many-to-many if you have a unary relationship with your database, what will the conversion look lik...

Data Model Entities High-level business objects used by the guidewire application. They are the root Entities for PCF files, Gosu Rules and other data related areas. Typelist A predifined list of possible values for a for a field within the application. Supertype Entities When multiple entities have a common set of fields then they could be organized into a hierarchy, with supertype entitie's fields and methods being inherited by subtype entities. Subtype Entites Inhe...

IS 410 Exam 1 Review Rated 100% Correct!! Data stored representations of meaningful objects and events Information data processed to increase knowledge in the person using the data Database organized collection of logically related data Metadata data that describes the properties and context of data (data about data) Database Management System A software system that is used to create, maintain, and provide controlled access to user databases External schema The view of end users C...

ISA 245 Exam 2 With 100% Correct And Verified Answers

Documenting ETL Requirements - ANSWER-Has three sections: Requirements Summary - what it does, system, and type and frequency Standard: architectural framework, strategy, design conventions, describe the operation flow at the high level and dependencies Job-Level Details: ind. job. Course Chapters - High level Objectives - ANSWER-1) Understanding and Describing Data 2) The Basics of SQL for Analytics 3) SQL for Data Preparation 4) Aggregate Functions for Data Analysis 5) Window Functio...

ISDS 3003 Final Exam Review 2023 complete solution A relational database is ________ A. a self-describing collection of related tables B. a library of queries and data files for querying C. a set of applications and the data sets for those applications D. a set of metadata E. a collection of forms and reports that support a given purpose Data mining applications are used to accomplish all of the following tasks except ________ A. incorporate results into some other report/system B. ...

___ is the result of adding more semantic constructs to the original entity relationship (ER) model. - -Extended entity relationship model -___ depicts the arrangement of higher-level entity supertypes (parent entities) and lower-level entity subtypes (child entities). - -Specialization hierarchy -The attribute in the supertype entity that determines to which entity subtype each supertype occurrence is related. - -subtype discriminator -Subtypes that contain a unique subset of the super...

Attribute - property or characteristic of an entity type that is of interest Business rules - Statements that define or constrain some aspect of the business logic Completeness Constraint - Determines whether an instance of a supertype must also be a member of at least one subtype Conceptual schema - the view of data architect/administrator Data - stored representations of meaningful objects and events Database - organized collection of logically related data Database Management System -...