In order to keep a database free of errors, online forms usually have built-in <u>data validation</u> so that users don't enter erroneous or duplicate data.
<h3>What is a database?</h3>
A database can be defined as an organized and structured collection of data that're stored on a computer system as a backup and they're usually accessed electronically, via an active computer network connection, the world wide web (WWW) or through the Internet.
<h3>What is
data validation?</h3>
Data validation is a type of check which is primarily performed by a software program (application) to make sure that the data which is entered into an information system (IS) or online forms is allowable and sensible.
This ultimately implies that, any data that is not allowed or sensible are rejected and discarded by the computer system through data validation.
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