Requires Ratio based on product

Question

Hi every one
my oracle version 10g
we have three tables required Buy_Sell_Ratio.
table 1 is trade, table 2 is currency, table 3 is product
Trade as (select 1 trade_id, 110 trade_size, to_date('01/02/11',' dd/mm/yy') trade_date, ’AA’ source from dual union all
select 2 trade_id, 80 trade_size, to_date('25/01/11',' dd/mm/yy') trade_date, 1 buy_sell_indicator, 1 product_id, 2 currency_id from dual union all
select 3 trade_id, 210 trade_size, to_date('17/01/11',' dd/mm/yy') trade_date, -1 buy_sell_indicator, 3 product_id, 1 currency_id from dual union all
select 4 trade_id, 150 trade_size, to_date('15/02/11',' dd/mm/yy') trade_date, -1 buy_sell_indicator, 2 product_id, 2 currency_id from dual union all
select 5 trade_id, 260 trade_size, to_date('20/12/10',' dd/mm/yy') trade_date, 1 buy_sell_indicator, 4 product_id, 3 currency_id from dual union all
select 6 trade_id, 320 trade_size, to_date('15/12/10',' dd/mm/yy') trade_date, -1 buy_sell_indicator, 2 product_id, 1 currency_id from dual union all
select 7 trade_id, 100 trade_size, to_date('25/01/11',' dd/mm/yy') trade_date, 1 buy_sell_indicator, 5 product_id, 1 currency_id from dual union all
select 8 trade_id, 260 trade_size, to_date('10/01/11',' dd/mm/yy') trade_date, 1 buy_sell_indicator, 1 product_id, 4 currency_id from dual union all
select 9 trade_id, 200 trade_size, to_date('25/11/10',' dd/mm/yy') trade_date, -1 buy_sell_indicator, 2 product_id, 2 currency_id from dual union all
select 10 trade_id, 200 trade_size, to_date('05/01/11',' dd/mm/yy') trade_date, -1 buy_sell_indicator, 3 product_id, 1 currency_id from dual union all)
Here Buy indicates “1” and sell indicated “-1”
Currency as (select 1 currency_id, ’USD’ symbol from dual union all
select 2 currency_id, ’EUR’ symbol from dual union all
select 3 currency_id, ’GBP’ symbol e from dual union all
select 4 currency_id, ’CHF’ symbol from dual union all
select 5 currency_id, ’AUD’ symbol from dual union all
select 6 currency_id, ’CAD’ symbol from dual union alll)
Product as (select 1 product_id, ’AA’ product from dual union all
select 2 product_id, ’AB’ product from dual union all
select 3 product_id, ’AC’ product from dual union all
select 4 product_id, ’AD’ product from dual union all
select 5 product_id, ’AE’ product from dual union all
select 6 product_id, ’BB’ product from dual union alll)
result would be in year to date (B indicates Buy, S indicates Sell, Volume indivates Trade_size)
Buy_USD     -->Total Volume of Buy in USD Curr
Sell_USD     --->Total Volume of Sell in USD Curr
Total_USD     --->Total Volume Buy & Sell in USD Curr
B_S_Ratio_USD -->     If B>S then Abs(B Volume /S Volume) , else if S>B then ( S Volume / B Volume) in the product
Buy%_USD     --->Percentage of the Volume Buy in the product Vs the Total Buy Volume YTD
Sell%_USD     -->Percentage of the Volume Sell in the product Vs the Total Sell Volume YTD
Total%_USD -->Percentage of the Total Volume traded in the product Vs the Total Volume YTD
No_of_Issues_USD -->     No of products involved YTD in the product
Product—B_S_Ration_USD—Buy%_USD—Sell%_USD—Total%_USD—No_of_Issues_USD
AA-----------------------------------
AB------------------------------
AC-----------------------------------
AD--------------------------------------
AE------------------------------------
BB-------
Could some one assist me to dtat like this.
Any assist would be appreciated
Thanks in advance
Edited by: Megna on 10-Mar-2011 23:22

Answer 1

Hi
i have tried like below sql but not getting Count & B_S_Ratio
select product,
sum(case when Buy_sell_Indicator=1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end) as Buy_USD,
sum(case when Buy_sell_Indicator=-1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end) as Sell_USD,
sum(case when Buy_sell_Indicator in(1,-1) and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end) as Total_USD
--count(decode(c.symbol,'USD'),i.instrument_id) No_of_Issues
--case when sum(case when BuysellIndicator=1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end)>sum(case when BuysellIndicator=-1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end) then
sum(case when BuysellIndicator=1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end)/sum(case when BuysellIndicator=-1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end) else
sum(case when BuysellIndicator=-1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end)/sum(case when BuysellIndicator=1 and to_char(t.trade_date,'yyyy')=to_char(sysdate,'yyyy') and c.symbol='USD' then t.trade_size else 0 end) as "B_S_Ratio"
from
Product i,
Trade t,
Currency c
where i.Product_id=t.product_id
and c.currency_id=t.currency_id
GROUP BY product