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Developer-C 11.1
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4.0
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3.8
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CREATE TABLE duel ( id int, title varchar(255), PRIMARY KEY (id) ); CREATE TABLE try ( id int, duel_id int, context varchar(255), recent tinyint(1), PRIMARY KEY (id), FOREIGN KEY (duel_id) REFERENCES duel(id) ); INSERT INTO duel (id,title) VALUES (1,"1"),(2,"2"),(3,"3"),(4,"4"); INSERT INTO try (id,duel_id,context,recent) VALUES (1,1,"a",0),(2,1,"a",0),(3,1,"a",1),(4,2,"a",0),(5,2,"b",0), (6,2,"b",1),(7,3,"a",0),(8,3,"a",0),(9,3,"b",1),(10,4,"c",0), (11,4,"a",0),(12,4,"c",1);
WITH CT1 AS ( SELECT *, SUM(recent) OVER(PARTITION BY duel_id,context ORDER BY recent DESC) as rn FROM try ) SELECT id, duel_id, context, recent FROM CT1 WHERE rn = 0 ORDER BY id;
id
duel_id
context
recent
4
2
a
0
7
3
a
0
8
3
a
0
11
4
a
0