Does Facebook connect to a database?

Facebook was developed from the ground up using open source software. The site is written primarily in the PHP programming language and uses a MySQL database infrastructure. Facebook has one of the largest MySQL database clusters anywhere, and is the world’s largest users of memcached, an open source caching system.

How is Facebook feed implemented?

Each individual story which could appear in your Feed is assigned a score and the presentation of your News Feed is defined by those results. If you finish your Facebook session, then come back again later, the process starts all over again, ranking each story that’s been posted since your last visit.

How do you link databases?

The Get External Data – Access Database import and link wizard opens. In the File name text box, type the name of the source database or click Browse to display the File Open dialog box. Click Link to the data source by creating a linked table, and then click OK. The Link Tables dialog box opens.

How does Facebook News Feed work?

News Feed is the constantly updating list of stories in the middle of your home page. News Feed includes status updates, photos, videos, links, app activity and likes from people, Pages and groups that you follow on Facebook.

Do Facebook still use MySQL?

There is no legacy issue involved. FB is changing storage engines in MySQL right now; they have the resources to completely move away from MySQL if there was a compelling reason. Even if you ignore FB, a much larger percentage of the largest sites on the internet use MySQL than Postgres.

How does database connection work?

A database connection is a facility in computer science that allows client software to talk to database server software, whether on the same machine or not. A connection is required to send commands and receive answers, usually in the form of a result set. Connections are a key concept in data-centric programming.

What kind of data is handled by the Facebook?

Unfortunately, yes, Facebook keeps collecting data even when you’ve left its website. Information like your IP address, what advertisements you’ve clicked on, which browser you’re using, and how often you visit the site, is already data any website you visit can record about you.