Are all SQL databases relational databases?

Is a SQL database a relational database?

SQL databases are known as relational databases, and have a table-based data structure, with a strict, predefined schema required. NoSQL databases, or non-relational databases, can be document based, graph databases, key-value pairs, or wide-column stores.

Is SQL a non-relational database?

SQL databases are relational, NoSQL databases are non-relational. SQL databases use structured query language and have a predefined schema. NoSQL databases have dynamic schemas for unstructured data. SQL databases are vertically scalable, while NoSQL databases are horizontally scalable.

What databases are not relational?

Non-relational/NoSQL databases: They have the ability to capture all types of data “Big Data” including unstructured data. They are document oriented. NoSQL or non-relational databases examples:MongoDB, Apache Cassandra, Redis, Couchbase and Apache HBase. They are best for Rapid Application Development.