Re: MVCC implementation

"Marshall" <marshall.spight_at_gmail.com> wrote:

> Am I correct in regarding MVCC as pretty much the state of the art
> for relational implementation? (I know we hear things about TRM
> but until there's more published it doesn't seem evaluable.)
 

> Are there any difficulties associated with MVCC implementations
> supporting nested transactions?
 

> Any good references for reading about MVCC implementation?
> It's not clear to me how it works. Googling for it is doesn't get
> me any good references; mostly manuals for SQL products
> that support it. I'm interested in learning about how to code
> one up.
 

Take a look at the Firebird project - it uses MVCC, otherwise known as record versioning and/or record shadowing.

Paul...  

> Marshall

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