sql - How to discover or deduce FK relationships when none were declared in the table definitions -


at work have data management application used firebird database has 65 tables , 1.3 million records. person developed application , database long gone. in need develop new application , use same data. developing application using c# , have converted database sql server. problem there primary keys , indexes, no foreign keys in tables. 1 id table used generate id's tables, , table have id field well. trying figure out relationships between tables able identify 15 tables. there way find table relationships in database there no identifiable foreign keys , no documentation? suggestions please?

guys anyone?


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