RDBMS Quiz 9

What does RDBMS stand for?

• Relational Database Management Systems

• Random Data Base Management Systems

• Relational Data Base Management Software

• Random Database Management Software

What is the purpose of a database?

• To manage emails

• To create spreadsheets

• To design websites

• To store data

Which of the following is a component of a DBMS?

• Text files

• Spreadsheets

• Images

• Tables

What does an ER diagram represent?

• Only queries

• Only tables

• Only data types

• Entities and relationships

What is a flat file database?

• A database with a single table

• A database with multiple tables

• A database with no tables

• A database with only images

What is data redundancy?

• Unique data entries

• Data stored in one location

• Data stored in multiple formats

• Repeated data entries

What is a primary key?

• A method of data entry

• A type of data

• A unique identifier for a record

• A database model

What is a foreign key?

• A type of data

• A primary key in another table

• A unique identifier

• A method of data entry

Which model is tree-like in structure?

• Hierarchical Model

• Flat File Model

• Network Model

• Relational Model

What is the main limitation of spreadsheets as databases?

• Data inconsistency

• Data consistency

• Data speed

• Data security