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3
votes
2answers
204 views

Save history editable data RDBMS

I want to make application like testing system. Every question has one or many variant of answers (and one or many can be right). I apologize that tutors and students use my testing system. It means ...
0
votes
0answers
24 views

keeping track of certain related field changes [duplicate]

Possible Duplicate: Save history editable data RDBMS I am totally new to databases and MySQL. I am working on a project in which I have a few related fields such as question and multiple ...
-3
votes
2answers
164 views

Versioning data in Databases [closed]

Is there any ready mechanism in Oracle, SQL Server, PostgreSql or OR framework (C#), which can version information in a database? By versioning informartion I mean that e.g. I have table Person (id, ...