Keep a friend table that holds the UserID and then the UserID of the friend (we will call it
FriendID). Both columns would be foreign keys back to the Users table. Somewhat useful example: TableÂ …
12 Mar 2015 … Facebook is using LAMP structure. Facebook’s backend services are written in a variety of different
programming languages including C++, Java, Python, and Erlang and they are used according to requirement.
29 Dec 2014 … Learn how to implement friends relationship database design like Facebook and Google Plus
. … This table contains 4 fields with user_id as the PRIMARY KEY, with AUTO_INCREMENT set to it.
29 Aug 2017 … Thus, before answering the million dollar question of what Facebook’s infrastructure is, let us
set a reference … like âCREATE TABLEâ, âSELECT/UPDATE/DELETEâ, etc were classified as SQLÂ …
14 Apr 2015 … CREATE TABLE t (id int not null, doc document not null, primary key(id) unique key id_doc(id,
doc.address.zipcode as int)) engine=innodb;. SELECT id, doc.name. FROM t WHERE docÂ …
Some ALTER TABLE statements take too long form the perspective of some MySQL users. … If the row format
of database allows addition of a new column (possibly positioned at the end of existing columns with someÂ …
1 May 2013 … This post explains you how to design the Facebook Style message conversation system using
PHP and MySQL. I have … Previous Tutorials:Database Design Create Tables and Relationships with SQL