Can a table in SQL have multiple columns as foreign keys that refer only to one primary key of another table? - Quora
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java - Hibernate: Joining across join tables on a non-primary key (but that is part of one) - Stack Overflow
Sql server, .net and c# video tutorial: Part 12 - Can we join two tables without primary foreign key relation
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sql server - Is there anything wrong with linking two identical primary keys in two different tables? - Database Administrators Stack Exchange
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