[geeta_ravikanti]

My Input is


Time Action

17:30 Sell
17:35 Sell
17:40 Buy
17:45 Buy
17:50 Sell
17:55 Buy
18:00 Sell
18:05 Sell
18:10 Sell



I want out put like following


Time Action RowNumber

17:30 Sell 1
17:35 Sell 2
17:40 Buy 1
17:45 Buy 2
17:50 Sell 1
17:55 Buy 1
18:00 Sell 1
18:05 Sell 2
18:10 Sell 3


my problem is i am getting the rownumbers 1,2,3,4,5,like so on
but how to get the row numbers like 'sell' and 'buy' wise(like aboe out put)
any one help in this query'