MySQL
An open source relational database management system (RDBMS). Like other relational databases, MySQL uses tables, constraints, triggers, roles, stored procedures, and views as the core components that users work with. A table consists of rows, and each row contains a same set of columns. MySQL uses primary keys to uniquely identify each row (a.k.a record) in a table, and foreign keys to assure the referential integrity between two related tables.
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