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What is a Database?
A Database is a collection of data that is systematically organized, accessed, managed, and updated. It makes data management easy. The data is organized into tables, rows, columns, and indexes to make it easier to relevant information. The main objective of the database is to handle a large amount of data by storing, retrieving, and managing data.
What are the different types of databases?
There are various types of databases which are as follows:
- Open-Source databases- This type of databases stores information related to operations such as marketing, employee relations, customer service, etc.
- Cloud databases- This kind of database is optimized for storing the data in a virtualized environment. It ensures scalability on-demand and high availability.
- Data warehouses- Contains historical and commutative data from multiple sources in a well-defined schema. It facilitates a single source of truth for an organization for decision-making and forecasting.
- NoSQL databases- It is used for large sets of distributed data. This type of database is very efficient in analyzing large-size unstructured data.
- OLTP databases- Ensures fast query processing and maintains data integrity in multi-access environments.
- JSON databases- The data is usually stored in XML, JSON, BSON formats and is kept in a document of collections.
