Exercise #21

 What is database and example:

A database is a collection of data that has been organised in a systematic manner. They allow for electronic data storage and manipulation. Data handling is simplified thanks to databases. Let's look at an example of a database: An online telephone directory keeps track of persons, phone numbers, and other contact information in a database.

Purpose of database:

Any collection of data or information that is specially arranged for rapid search and retrieval by a computer is referred to as a database, often known as an electronic database. Databases are designed to make data storage, retrieval, modification, and deletion as well as other data-processing tasks easier.

Where is database used:

Databases are utilized in a variety of applications, including banks, retail, websites, and warehouses. Databases are used by banks to track customer accounts, balances, and deposits. Databases can be used to maintain prices, customer information, sales information, and inventory levels in retail establishments.

What does database contain:

A database is a type of data structure that stores structured data. The majority of databases comprise numerous tables, each of which may contain multiple fields. Tables for products, workers, and financial information, for example, might be included in a company database.



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Exercise #1

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