Hi,
On Tuesday, October 30, 2012 8:12:25 PM UTC+1, "David Johnston" wrote:
> Start learning about Window functions/clauses:
> http://www.postgresql.org/docs/9.2/interactive/tutorial-window.html
>
> The lag function over a window ordered by date will allow you to calculate
> how many days since th
Hi there,
Not sure if this is the right place to post this question:
I'm tryting to find a way to do the following without going row by row on the
client program doing the calculations:
I've got a "movements" table (from an accounting program) for which I've
already done monthly balances and r