i think it is right to get all my data from db and do calculations
with it, i prefer to work "offline" with my data, and not call my db
each time i need something

On Aug 6, 9:38 pm, Graham Bunce <[email protected]> wrote:
> TBH, NH is not suited for bulk operations (unless you use a special NH
> factory). When you get into 100K rows etc. there is high chance of
> your app grinding to a halt.
>
> We had a simple insert routine that took 30mins or more for 100K
> records (using the default session). In the end we wrote that specific
> function in raw ADO.NET and did it in about 100 secs. By using OLEDB
> instead of SQL Server ADO and using basic SQL statements we kept our
> database flexibility.
>
> Sometimes you need a scalpel, not a sledgehammer :)
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