We have a table to record processing that occurs on a system and we need to ensure that only a single row has an 'in process' status. I want to ensure that the result of this is always either zero or ...
Double entry bookkeeping is a set of rules for recording financial information in a financial accounting system in which every transaction or event changes at least two different nominal ...
We are synchronizing tables between two databases (yes, it needs to be done by our software and not by replication etc.) Both databases are identical with many foreign-key constraints on tables. ...