choose Username or ID as primary key?
23439
Why use an int as a lookup table's primary key?
132243
How to create user for a db in postgresql?
110818
SQL Server add auto increment primary key to existing table
84516
Getting the real name of an user
143217
Auto-increment ids with multiple inserts in mysql/mariadb
114018
mysql_insert_id alternative for postgresql
153059
How to Create a Custom ID in Access 2010
64362
Storing data / session for anonymous user
44786
Primary key for link/junction table with time-dependent data
85308
What does the error "Ambiguous column name 'id'" mean?
62976
Concatenating a string and primary key Id while inserting
77984
Changing MySQL primary key when foreign key contraints exist
84594
For what purposes is my user id used when sharing a link?
145311
Generate an increment ID that is unique for a given value of a foreign key
34609
How can I define a composite primary key in SQL?
99642
How to store username and password to API in wordpress option DB?
67033
Is there a portable way to get the current username in Python?