Relational Database Flashcard

Front

What is a relational database?

Back

A collection of related tables

Front

Which command language is commonly used in RDBMS?

Back

SQL

Front

In RDBMS, which function is NOT part of the basic CRUD operations?

Back

Format

Front

Which of the following is a popular RDBMS package?

Back

MySQL

Front

In DBMS, data is usually stored in ______ form.

Back

Hierarchical or Navigational

Front

Which concept ensures that data values are unique and valid?

Back

Integrity

Front

Entity

Back

An object that can be uniquely identified

Front

A weak entity depends on:

Back

A strong entity

Front

A tuple in a relation represents:

Back

A row

Front

The number of tuples in a relation is called:

Back

Cardinality