Все базы данных в одной репе

view1.sql

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+-- Для каждого спортсмена посчитать число заявок и число серий
+create view
+    sportsman_requests_series_count as
+select
+    s.id_sportsman,
+    count(distinct pr.id_participant_request) as pr_count,
+    count(ss.id_shot_series) as ss_count
+from
+    sportsman as s
+    left join participant_request as pr on s.id_sportsman = pr.id_sportsman
+    left join shot_series as ss on pr.id_participant_request = ss.id_participant_request
+group by
+    s.id_sportsman
+
+    
+-- insert into sportsman_requests_series_count (id_sportsman, pr_count, ss_count) values (1, 2, 3)
+-- update sportsman_requests_series_count set pr_count = 5, ss_count = 10 where id_sportsman = 201