What is the resulting datatype of SUM over a decimal or numeric column?
The result is always BIGINT, with precision of the column. For example, if database column in decimal(9,2) the SUM of that column has datatype decimal(18,2). The reason for this is that sum often cannot fit the original datatype, so the largest available decimal value is chosen.
Do you find this FAQ incorrect or incomplete? Please e-mail
needs to be changed. To ensure quality, each change is checked by our editors (and often tested on live Firebird
databases), before it enters the main FAQ database. If you desire so, the
changes will be credited to your name. To learn more, visit our add content
If you are a commercial tool maker and your tool features a great way to handle
the issue written about in this FAQ, please check out our advertisement
All contents are copyright © 2007-2017 FirebirdFAQ.org unless otherwise stated in the text.