Using SQLite as a multi-user database?

Peter Haworth pete at mollysrevenge.com
Tue Nov 23 12:38:54 EST 2010


I think the answer to your question depends on the level of  
concurrency you expect.  You'd definitely need to implement the SQLite  
locking mechanisms to support concurrent users (BEGIN/END/ROLLBACK  
TRANSACTION).

Check out sqlite.org, the home of sqlite, there's some words on there  
about multi-use concurrency.  particularly at

http://www.sqlite.org/whentouse.html

and

http://www.sqlite.org/faq.html

They seem to indicate that many users reading and a few users writing  
will probably be OK.

I'd also recommend that you ask this question on the sqlite users  
forum.  You can join it at http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users

Pete


On Nov 23, 2010, at 6:15 AM, Andre Garzia wrote:

> Fredrik,
>
> Instead of risking problems by having concurrent queries to a single  
> SQLite
> database, why don't you build a middleware?
>
> From your email, I understood that the problem is that you can't  
> install a
> server such as MySQL because the IT dept will be shouting. So why  
> don't you
> use LiveCode to build a little self contained server which talks to  
> SQLite,
> then all the clients would talk to this same server, this way,  
> there's no
> concurrent access since everything passes thru the server.
>
> If you're on LAN then it would be überquick to get the data around  
> and you
> would not have to face multi user access to a single file resource  
> (this is
> always troublesome).
>
> Andre
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