CREATE TABLE test_table
(tname varchar(25),
ttest varchar(25),
tscore float NOT NULL) ;
insert into test_table (tname,ttest,tscore) values ('Bob','Test1','97.0'),
('Bob','Test2','96.5'),
('Bob','Test3','94.5'),
('Joe','Test1','96.5'),
('Joe','Test2','98.5'),
('Joe','Test3','92.0');
select distinct tname, min(tscore) as min_score, max(tscore) as max_score from test_table group by tname;
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