Data Modeling and Information Systems Quiz

Conceptual Data Model

Logical Data Model

A framework defining how data is physically stored in a database

<p>Entity-Relation Model</p> Signup and view all the answers

<p>A type of database that stores data in a single table</p> Signup and view all the answers

<p>To reduce data redundancies and eliminate data anomalies</p> Signup and view all the answers

<p>Determining a table's degree of vulnerability to inconsistencies and anomalies</p> Signup and view all the answers

<p>A form of normalization that ensures each attribute in a table is atomic</p> Signup and view all the answers

<p>A form of normalization that eliminates insertion, update, and deletion anomalies</p> Signup and view all the answers

<p>A form of normalization that reduces data redundancies</p> Signup and view all the answers

<p>A collection of programs that manipulate data</p> Signup and view all the answers

<p>A representation of the data structures required by a database</p> Signup and view all the answers

<p>A class of persons, places, objects, events, or concepts about which data needs to be stored</p> Signup and view all the answers

<p>A descriptive property or characteristic of an entity</p> Signup and view all the answers

<p>An attribute or a group of attributes that assumes a unique value for each entity instance</p> Signup and view all the answers

<p>A diagram that illustrates the relationship between data</p> Signup and view all the answers

<p>A text representation of the database</p> Signup and view all the answers

<p>To get a clear picture of the data model</p> Signup and view all the answers

<p>It is a conceptual representation of the data structures required by a database</p> Signup and view all the answers

<p>They are synonyms</p> Signup and view all the answers

<p>A system that captures, stores, manipulates, and retrieves data</p> Signup and view all the answers

<p>A representation of the data structures required by a database</p> Signup and view all the answers

<p>A class of persons, places, objects, events, or concepts about which data needs to be stored</p> Signup and view all the answers

<p>A descriptive property or characteristic of an entity</p> Signup and view all the answers

<p>An attribute that assumes a unique value for each entity instance</p> Signup and view all the answers

<p>A diagram or flowchart that illustrates the relationship between data</p> Signup and view all the answers

<p>A text representation of the database</p> Signup and view all the answers

<p>To get a clear picture of the data model</p> Signup and view all the answers

<p>The data structures required by a database</p> Signup and view all the answers

<p>To model and analyze data structures</p> Signup and view all the answers