Create datamart_ddl.sql

DDL-запрос на создание витрины данных.
KirillZhul · May 28, 2023 · a9fab0c · a9fab0c
1 parent 4442b03
commit a9fab0c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/datamart_ddl.sql b/datamart_ddl.sql
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+CREATE TABLE analysis.dm_rfm_segments (user_id int PRIMARY KEY,
+recency int CHECK(recency > 0 AND recency <= 5),
+frequency int CHECK(frequency > 0 AND recency <= 5),
+monetary_value int CHECK(monetary_value > 0 AND monetary_value <= 5))
+
+ALTER TABLE analysis.dm_rfm_segments ADD CONSTRAINT dm_rfm_segments_user_id_fkey FOREIGN KEY (user_id) REFERENCES production.users(id);