Best way to apply a "friend system"-like table?
109587
Comma List vs Multiple Records
98415
Getting Acquaintances to become Friends
100032
Friend of a friend in PHP/MySQL?
14488
When should you use 'friend' in C++?
4153
tables with lots of columns
43768
SQL - How to store and navigate hierarchies?
100041
How to keep track of players nearby other players in an MMO
123137
Recursion: putting people into groups of 1 or 2
17548
How to join on the same table multiple times?
26639
Is there a way to simulate the C++ 'friend' concept in Java?
8176
Relational Database Design Patterns?
107260
What are the options for storing hierarchical data in a relational database?
29700
How best to get someone's 'rank' from a scores table with php and mysql without looping
85172
Lookup Tables Best Practices: DB Tables... or Enumerations
84398
What is the C# equivalent of friend?
54977
Many to Many and Weak Entities
80863
No Add Friend Button but many mutual friends?