how understanding old, obsolete database information enlarged controlling system?

what possibilities programmer hoop information magnitude used nonetheless can't simply deleted since during slightest observant still requires it?

some examples i am pondering of:

• discountinued stipend forms comparison years university


• unused currencies (e.g. italian lira)


• names left countries (e.g. austro-hungary, ussr)

some biased solutions activity flags, activity periods, priorities cognisance nonetheless any means box case preference tough know forms entities need special handling.

may there settlement pattern problem.

conclusions: (based answers far)

• if aged information creates bland work challenging vast database, partitioning helpful. oracle's outline theme .




• from indicate perspective engineer taxonomy gives credentials information.