How accurate do you need to be? Retail / POS level (ie, 2 decimal places) or multi-currency with exchange rates etc (4+ decimal places)
Personally I use numeric and don’t have any problems. Most of my fields only need 2 decimals (RRP, wholesale prices etc), so I define them as numeric(10,2) – I reckon I’m pretty safe to assume our company isn’t going to sell anything individually worth over $99,999,999.99
It actually helps identify problems when people make boo-boos – like entering a 6 digit product code as the order quantity on a sales order!
Cheers,
~p
-----Original Message-----
From: pgsql-novice-owner@postgresql.org [mailto:pgsql-novice-owner@postgresql.org] On Behalf Of niccguard-dev@yahoo.com
Sent: Thursday, 1 November 2007 06:34
To: pgsql-novice@postgresql.org
Subject: [NOVICE] What data type best used for money
Creating a database where monetary values will be stored and of course retrieved with calculations. What data types are best to use in this sort of environment?
money is limited in quantity
numeric - documentation states "arithmetic on numeric values is very slow compared to the integer types"
Just wanted to get some feedback on what seems to be the better way to go and 'why'.
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