Need to query distinct combination of two fields, along with a count that distinct combination occurs

Question

What I need is a query on a table that would return distinct combinations of columns A and B, along with the count of how many times each combination occurs in the table. This w

Answer 1

GROUP BY is your friend here:

select a,b,count(*) from test
group by a,b
order by a

SQLFiddle: http://sqlfiddle.com/#!9/062b0e/5