write a query to follwoing table amount year quarter 254556 2003

write a query to follwoing table

amount year quarter
254556 2003 first
546332 2003 second
129034 2003 third
490223 2003 fourth
165768 2004 first
265443 2004 second
510412 2004 third
435690 2004 fourth

i want the output

year q1_amount q2_amount q3_amount q4_amount
2003 254556 546332 129034 490223
2004 165768 265443 510412 435690

Question Posted / dinesh

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write a query to follwoing table amount year quarter 254556 2003 first 546332 20..

Answer / praveen hattikal

Select YEAR,SUM(q1_amt)q1_amt,SUM(q2_amt)q2_amt,SUM(q3_amt)
q3_amt,SUM(q4_amt)q4_amt from (
select YEAR,
Decode (QUARTER,'first',amount,0) as q1_amt,
Decode (QUARTER,'second',amount,0) as q2_amt,
Decode (QUARTER,'third',amount,0) as q3_amt,
Decode (QUARTER,'fourt',amount,0) as q4_amt
from table_name) group by YEAR

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write a query to follwoing table amount year quarter 254556 2003 first 546332 20..

Answer / ankit kansal

The above answer is perfectly fine, however you can achieve the same using case

Select YEAR,SUM(q1_amt)q1_amt,SUM(q2_amt)q2_amt,SUM(q3_amt)
q3_amt,SUM(q4_amt)q4_amt from (
select YEAR,
CASE QUARTER WHEN 'first' THEN amount ELSE 0 END as q1_amt,
CASE QUARTER WHEN 'second' THEN amount ELSE 0 END as q2_amt,
CASE QUARTER WHEN 'third' THEN amount ELSE 0 END as q3_amt,
CASE QUARTER WHEN 'fourth' THEN amount ELSE 0 END as q4_amt
from t_name) temp group by YEAR;

http://deepinopensource.blogspot.in/

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