SQL

The SQL language is a special language designed specifically to fetch or update data in a database. This gives you the ability to add larges amounts of data and your program can access portions of that data as needed.

Every programming language has the ability to connect to a database. Some programming languages provide their own way to read and write that data. Whether you do it that way or whether you use the SQL language will be an option to consider when you write that code.

SQL language includes very basic commands such as:

SELECT

INSERT

UPDATE

DELETE

There are other commands used to create databases and tables as well. Most business applications will use a SQL type database and that's where you will get the data that you need to read or update with your program.

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