Use a join as given below, I have used the table name temp. select a.Category, a.count, b.tot_count, (100*a.count)/tot_count as percent_count from ( select Category, count(*) as count from temp group by Category ) a join (select count(*) as tot_count from temp) b on (true)
Hope this helps Nanda Vijaydev On Mon, May 28, 2012 at 3:28 PM, Igor Tatarinov <i...@decide.com> wrote: > Try replacing the comma with JOIN > > igor > decide.com > > On Mon, May 28, 2012 at 6:48 AM, shan s <mysub...@gmail.com> wrote: > >> I need help with a simple subquery. Given below data, I need counts and >> percentage counts per category. (Re-phrasing my earlier question ) >> With the code below I get an error: *FAILED: Parse Error:* line 6:50 >> *mismatched >> input ','* *expecting EOF near 'a'* >> >> Looking at the documentation the syntax it is not clear to me.. In the >> form clause, can I have multiple selects and just alias them and use them >> in the top query? >> If so, what am I missing in the below code... >> >> select a.category, a.count, b.totalCount >> from >> (select category, count(*) as count from gt group by category) a, >> (select count(*) as totalCount from gt) b ; >> >> Many Thanks, >> Prashant. >> >> Id Category Count Output Percentage Output >> 1 A A 4 A 40 (4/10)*100 >> 2 A B 3 B 30 >> 3 B C 3 C 30 >> 4 A >> 5 C >> 6 C >> 7 B >> 8 B >> 9 A >> 10 C >> > >