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Уточнения по SCD 2 - бех юэкфилл

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ddadmin
2025-11-07 15:46:52 +03:00
parent b29de24c31
commit 57d1dd3186
3 changed files with 19 additions and 15 deletions
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dwh-modeling/data/customers.csv
+5 -5
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@@ -1,5 +1,5 @@
customer_id,email,phone,city,_load_id,load_ts
101,a@ex.com,700,Москва,batch_20250405_0800,2025-04-05 08:00
102,c@ex.com,701,СПб,batch_20250405_0800,2025-04-05 08:00
101,b@ex.com,700,Москва,batch_20250405_1200,2025-04-05 12:00
101,b@ex.com,700,Санкт-Петербург,batch_20250405_1800,2025-04-05 18:00
customer_id,email,phone,city,event_ts,_load_id,load_ts
101,a@ex.com,700,Москва,NULL,batch_20250405_0800,2025-04-05 08:00
102,c@ex.com,701,СПб,NULL,batch_20250405_0800,2025-04-05 08:00
101,b@ex.com,700,Москва,NULL,batch_20250405_1200,2025-04-05 12:00
101,b@ex.com,700,Санкт-Петербург,NULL,batch_20250405_1800,2025-04-05 18:00
1 customer_id email phone city event_ts _load_id load_ts
2 101 a@ex.com 700 Москва NULL batch_20250405_0800 2025-04-05 08:00
3 102 c@ex.com 701 СПб NULL batch_20250405_0800 2025-04-05 08:00
4 101 b@ex.com 700 Москва NULL batch_20250405_1200 2025-04-05 12:00
5 101 b@ex.com 700 Санкт-Петербург NULL batch_20250405_1800 2025-04-05 18:00