Do I need to run a server to achieve database-like functionality?

I'm currently trying to develop a program which stores lots of data, similar to an address book, I suppose, with the intent that new data will be periodically added to the program over time.

I know that I could set up a 开发者_如何学CSQL server, and have the program interface with that, but if I want to share my program with other people, I can't guarantee that they'd have access to the server, or that they can set up a server of their own to hold the data.

I also know that I could simply hard-code all of the data into instantiated objects, but that is inelegant, and promises to be incredibly irritating to alter or maintain.

Is there someway I could design the program in such a way that it maintains a database-like structure, yet has no reliance on external programs (such as a SQL server)?

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"SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine."

http://www.sqlite.org/

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Sure. You can use XML. XML can be also used as a datasource for ASP.NET components, just like a database.

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You could use a flat file database like SQLite which is linked in on compile and could be distributed with your code.

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You have several options:

1. Use flat-file database like SQLite (ADO.NET provider)
2. Save your data into a file in some format like XML or CSV, or use binary serialization (or something more elaborate if you don't want to have all the data in memory)
3. Have a public SQL server accessible from the internet

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Of course these is always SQL Server express from MS for this purpose.

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no you do not neet a server. the most flexibel solution would be to use NHibernate with FluentNHibernate.

There are different drivers for different databases like SQlite, MsAccess and also for Server like MsSql, Oracle, ....