Database Systems | MCQs

Explanation

Concurrency control manages simultaneous access to data in a database to prevent conflicts or data inconsistency.

It ensures data integrity when multiple users perform read/write operations at the same time.

Explanation

Each row in a data set (called a tuple)

n database lingo, these columns are called attributes.

A database attribute is a column name and the content of the fields under it in a table.

Explanation

FoxPro is a programming language and database management system developed by Microsoft.

It is primarily used for developing database applications and managing data efficiently.

Explanation

A collection of related data is called Database.

A database is a data structure that stores organized information.

Different types of databases are Relational databases

• No SQL database,
• Distributed database,
• Commercial database,
• End-user database.
  

Explanation

In database management and information architecture, a data bank or databank is a repository of information about one or more subjects, that is, a database which is organized in a way that facilitates local or remote information retrieval and is able to process many continual queries over a long period of time.

Explanation

Data Redundancy is the unnecessary duplication of data within a database or system.

It occurs when the same piece of data is stored in multiple locations