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create table test( Company_name varchar(20) null, Quarter varchar(2) null, Year int null, Revenue int null ); insert into test(Company_name,Quarter,Year,Revenue) values ('TCS', 'Q1', 2001, 50), ('CTS','Q2',2010,60), ('ZOHO','Q2',2007,70), ('CTS','Q4',2015,90), ('ZOHO','Q1',2007,70);
with x as ( select Quarter, max(Revenue) as Revenue from test group by Quarter ) select t.Company_name, x.Quarter, x.Revenue from x join test t on x.Revenue = t.Revenue and t.quarter = x.quarter;
Company_name
Quarter
Revenue
ZOHO
Q2
70
CTS
Q4
90
ZOHO
Q1
70