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(3NF) 3NF
(1NF): (1 ) shirt, pants, jacket () products () 1NF product_id product_name 3
(2NF): 1NF line items () (order_id, product_id)order_id 2NF orders ()
(3NF): orders () zip_code () city () geography ()
(BCNF): 3NF 3NF
|
order_id
|
customer_name
|
customer_email
|
product_name
|
product_category
|
qty
|
unit_price
|
|---|---|---|---|---|---|---|
| 1001 | Ana Torres | ana@example.com | Wireless headset | Electronics | 2 | 79.00 |
| 1002 | Ana Torres | ana@example.com | USB-C cable | Electronics | 1 | 12.00 |
| 1003 | Ben Marsh | ben@example.com | Wireless headset | Electronics | 1 | 79.00 |
3
Ana 1 1 Orders () ID SQL (Structured Query Language) 2 SELECT
:
: Stripe Data Pipeline Stripe () (API)
: Stripe Stripe
: (ETL) Stripe Data Pipeline 1
Data Pipeline ETL Stripe Stripe
Stripe
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