[Lazarus] What is a TSQLTransaction and why do I need one?

[Joost van der Sluis]

On Tue, 2010-11-30 at 13:14 +0100, zeljko wrote:
> >
> > I think we should not change a thing, until the problem is clear. Maybe
> > we can come up with some 'general' transaction-isolation levels. The
> > reason they are not implemented in a general way is that each DB has
> > it's own locking-style.
> 
> Here is nice explanation of isolation levels, "general" transaction-isolation 
> levels should be implemented definitelly.
> http://en.wikipedia.org/wiki/Isolation_%28database_systems%29

Well, these are tne ansi/sql transacion isolation levels. do you know a
database which actually uses/supports these? (Except from Oracle)

It's very difficult to generalize this.

Joost.