Hello! I want to update a old postgresdatabase. In the time of databasecreation the postgres had no "references" construct. So the integrity is maintained by the C-Driver. Now I want to build in the integrity. But i have to maintain compatibiliy to old databases in the code itself. So my question: HOW can I determine if the database has referential integrity used or not? Are there in the database any "references" in use or not? Maybe it is descripted in any systemtable(pg_xyz)? Thanks in advance David
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