Relational Database Schema and Instances
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Questions and Answers

What is the overall design of the database called?

  • Snapshot
  • Relation
  • Instance
  • Schema (correct)

What represents a relation among a set of values in a table?

  • Row (correct)
  • Instance
  • Database
  • Schema

What is the collection of information stored in the database at a particular moment called?

  • Snapshot
  • Relation
  • Schema
  • Instance (correct)

Which term refers to the logical design of the database?

<p>Schema (D)</p> Signup and view all the answers

A relational database consists of a collection of tables, each of which is assigned a unique name. True or False?

<p>True (A)</p> Signup and view all the answers

A row in a table represents a relation among a set of values. True or False?

<p>True (A)</p> Signup and view all the answers

The database schema is the collection of information stored in the database at a particular moment. True or False?

<p>False (B)</p> Signup and view all the answers

Schemas are changed frequently in a database. True or False?

<p>False (B)</p> Signup and view all the answers

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