There are many ways to classify databases based on different criteria, such as the model, location, design, hosting, and processing of the data. Here is a brief overview of some common types of databases: - ** Relational databases ** store data in tables, rows, and columns, and use SQL to query and manipulate the data. They are widely used for online transactions, data warehouses, IoT, and other applications that require ACID compliance, data integrity, and security. Some examples of relational databases are MySQL, Oracle, PostgreSQL, and SQL Server¹². - ** Non-relational databases ** (also known as NoSQL databases) store data in various formats, such as key-value pairs, documents, graphs, or columns. They are designed to handle large volumes of unstructured or semi-structured data, and offer more flexibility, scalability, and performance than relational databases. Some examples of non-relational databases are MongoDB, Cassandra, Redis, and Neo4j¹². - ** Object-oriented dat...
