Definition – What is Web SQL Database
Explanation – Web SQL Database
As Web SQL is a client-side database management system. It is controlled by the users. When a specific site data is deleted the Web SQL data will be deleted also for that specific site. Web developers use Web SQL to store some temporary data to the user’s Web SQL storage.
You can find out the Web SQL database from the browser’s developer console. A
To activate developer console, press
CTRL + F12 from your keyboard. The web console tab will be open. From the top menubar select Application. Now from the left sidebar click on the WebSQL option to see a website is using WebSQL or not.
If a site
Web SQL Real-world Usage
In the real world, the uses of Web SQL is to store temporary data to the user’s browser. Unlike cookie it has not only key and value field, it has tables, database name, keys, values, etc features. It is also used for tracking the
For example, if you visit a website for the first time then probably it pops up an email subscription form. You may notice, the popup subscription box will continue showing up every time you visit that website until you subscribe the mailing list.
Developers can do this using Web SQL. When you subscribe to a mailing list from a popup box then the data will be stored in Web SQL to tell the server that you have subscribed.
Deleting the site data will also delete the Web SQL data. And it will again start showing up the box again until you subscribe again.