Supertype entities Study guides, Class notes & Summaries

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...

2024 GUIDEWIRE CONFIGURATION EXAM WITH CORRECT ANSWERS

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. ...

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...

___ 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...

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...

1) Which of the following is a generic entity type that has a relationship with one or more subtypes? A) Megatype B) Supertype C) Subgroup D) Class Answer: B Diff: 1 Page Ref: 113 Topic: Representing Supertypes and Subtypes AACSB: Use of Information Technology 2) Given the following entities, which of the choices below would be the most complicated? Automobile: VIN, EngineSize, NumberOfDoors, NumberOfPassengers, FuelType, Transmission SUV: VIN, EngineSize, NumberOfPassengers, NoWheel...

Answers to Review Questions 1. Name and discuss the different levels of data abstraction as defined by ANSI/SPARC. Conceptual Located at the abstraction apex, the conceptual model represents a global view of the data. It forms the basis of the conceptual schema, which provides a relatively easily understood bird's-eye view of the data environment. Since the conceptual model focuses on the main data objects and avoids detail, it exhibits both software and hardware independence. The most ...

INF2603 ASSIGNMENT 2 SEMESTER 2. INF2603 - Databases I. What is a subtype discriminator? Given an example of its use. (3) A subtype discriminator is the attribute in the supertype entity that is used to determine to which entity subtype the supertype occurrence is related. For any given supertype occurrence, the value of the subtype discriminator will determine which subtype the supertype occurrence is related to. For example, an EMPLOYEE supertype may include the EMP_TYPE value "P" to ind...