Difference between SQL and NoSQL

Question

Accepted Answer

SQL is a relational database management system, while NoSQL is a non-relational database management system.

SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores with dynamic schemas.
SQL databases use structured query language for defining and manipulating the data, while NoSQL databases use different query languages for accessing data.
SQL databases are vertically scalable, while NoSQL databases are horizontally scalable.
Examples of SQL databases include MySQL, Oracle, and PostgreSQL, while examples of NoSQL databases include MongoDB, Cassandra, and Redis.

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