CLOUD COMPUTING

Detailed explanation-1: -Databases are useful in many different scenarios for storing data. It is typical to use a database when different sets of data needs to be linked together, such as: Pupils in a school and their grades. Customer records and sales information.

Detailed explanation-2: -Your grocery store, bank, restaurant, online shopping sites, hospital, favorite clothing store and mobile service provider, for instance all use databases to keep track of customer, inventory, employee and accounting information.

Detailed explanation-3: -There are four kinds of this database: document databases, key-value stores, column-oriented databases, and graph databases.

Detailed explanation-4: –Databases let us work with large amounts of data efficiently. They make updating data easy and reliable, and they help to ensure accuracy. They offer security features to control access to information, and they help us avoid redundancy.