If your dateOfBirth is a date field, you can do this: select (substring(curdate(),1,4)-substring(dateofbirth,1,4))-(substr(curdate(),5)<substr(dateofbirth,5)) as age from myTable;
But you can't get a group by from an alias. Hope help. <[EMAIL PROTECTED]> escreveu na mensagem news:[EMAIL PROTECTED] > I'm working on MySQL v5.0 and I have a table with dateOfBirth and I want > a histogram of ages at a point in time. I tried something like: > > select round(datediff(curdate(), dateofbirth)/365) as age, count(age) > from myTable group by age; > > but MySQL Query Browser says: > > Unknown column 'age' in 'field list' 1054 > > What am I doing wrong? How can I count ages? -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
