Apparently, this user prefers to keep an air of mystery about them.
6 Schema design: Use of association (aka: bridge/junction) table vs foreign key constraint with composite index containing a non-key field Mar 9 '13
4 Supertype/Subtype deciding between category: complete disjoint or incomplete overlapping Apr 15 '12
4 Using indexes to create multiple relationships to a table in order to enforce data integrity and add meaning Jul 20 '12
2 Proper use of NULL, and utilizing CHECK constraints for business logic vs stored procedures Jul 26 '12
2 History table design for supertype/subtype Jan 25 '13