Select AVG(tax) from invoice where type='sales tax'
even though there are records in the invoice table why does the above query return null
Type: Posts; User: bbkcdb; Keyword(s):
Select AVG(tax) from invoice where type='sales tax'
even though there are records in the invoice table why does the above query return null
select AVG(tax) from invoice where type='sales tax'
what is the error n above query