MySQL is an open source relational database management system (RDBMS) based on Structured Query Language (SQL). It is one of the most popular databases used in web application development.

SQL is a standard language for storing, manipulating and retrieving data in databases. It is used to communicate with databases and is the most common language used in relational database management systems (RDBMS).

Example:

MySQL:

SELECT * FROM table_name;

This statement will retrieve all the data from the table named ‘table_name’.

SQL:

UPDATE table_name SET column_name = ‘value’ WHERE condition;

This statement will update the value of ‘column_name’ to ‘value’ in the table named ‘table_name’, where the condition is true.

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