SQL allows us to handle the information using tables. Most of the databases like SQL Server, Oracle, PostgreSQL, MySQL, MariaDB handle this language with some extensions and variations.u003cbr /u003eMySQL is a relational database management system based on SQL, which is the most popular language for accessing and managing the records in the database. MySQL is open-source and free software, supported by Oracle.u003cbr /u003ePL/SQL is a block-structured language with multiple blocks, such as conditional statements, loops, arrays, string, exceptions, collections, records, triggers, functions, procedures, and cursors.