On Sunday, November 27, 2011 10:49:20 AM UTC+8, Roy Smith wrote: > In article <mailman.3067.1322361...@python.org>, > Dave Angel <d...@davea.name> wrote: > > > If you're using Python, you already have a "fast hash" library, in the > > dictionary class. And yes, if a problem doesn't need the full > > generality of a database, you may be able to implement it with > > dictionaries, and it may even be practical to store those dictionaries > > to disk for later retrieval. However, there are quite a few reasons > > this may not be good enough. To start with just two: if there are > > multiple users of the database, and they have to be synched. Or if you > > have to be safe from a program or a system crashing. > > This is a good point. In general, databases differ from in-memory data > structures in that they provide: > > 1) Persistence > > 2) Data integrity > > 3) Shared access
Shared in access in a local lan or a wide wan? In python there are packages can solve these easily. -- http://mail.python.org/mailman/listinfo/python-list
