db-derby-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Barry Books" <trs...@gmail.com>
Subject Re: what is different between count(*) and count(field_name) ?
Date Sat, 16 Dec 2006 15:07:24 GMT
count(*) wil return the count of all rows

count(field) will return count where field is not null

Mime
View raw message