![]() These databases are designed to store a specific types of data in simple key/value pairs, JSON documents or a graph. Non relational databases don’t use tabular schema to storage data. Relational database allows to avoid data redundancy/duplication thanks to tables connection via foreign key. They use SQL (Structured Querying Language) to extract and manipulate data from related tables in a database (insert, update, delete, select). Relational databases provide a declarative method for specifying data that are placed in tables and rows. In this article we focus on the relational database comparison with 8 the most popular ones. One of them is choosing the right database that will provide needed functionalities to the application. ![]() Developing projects comes with many strategic decisions that ultimately can affect the whole outcome of the project.
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