session id as foreign key (security?)
255
How can I prevent SQL injection in PHP?
149392
Why dropping all foreign keys from a script is not working?
84594
For what purposes is my user id used when sharing a link?
89217
Adding Foreign Key Error
71340
How can prepared statements protect from SQL injection attacks?
57745
Connecting to “foreign” database on the same DBMS
82726
Foreign Key (references) constraint on PostgreSQL Foreign Data Wrapper?
148712
Do I need a composite primary key in a junction table?
131790
SQL Server update primary key that's also a foreign key in two tables
30357
session protection
74188
How can I avoid SQL injection attacks in my ASP.NET application?
88677
Find which session is holding which temporary table
101199
PostgreSQL foreign key not existing, issue of inheritance?
2406
Restricted logins with automatic full permission in databases
7693
How do I add a foreign key to an existing SQLite table?
97261
Are nested transactions allowed in MySQL?
85789
Not using foreign key constraints in real practice. Is it OK?