Data Quality Architecture: Threshold 2
Scenario
You are a data professional working with retail data. Prepare a reliable result from sales for a review.
Question
Design a source-to-report path for sales. Keep records where items is at least 2, store them in sales_trusted_1, and include an owner and an access rule.
Your task
- Inspect the provided data and column names
- Design a source-to-report path for sales. Keep records where items is at least 2, store them in sales_trusted_1, and include an owner and an access rule.
- Run your code and compare the result
Intermediate · Quality Gated Architecture & Slowly Changing Dimensions — question 3 of 30
1. Choose your dataset
Pick an industry and a size. Your code and results change to match.
Data Quality Architecture: Threshold 2
Design a source-to-report path for sales. Keep records where items is at least 2, store them in sales_trusted_1, and include an owner and an access rule.
Your code cell is below. Press Check my answer to run the cell — the result appears as Out [1].
💡 Explain my whole code, line by line (hover any word in the editor for a tip)
🌈 In short — no coding words
Altogether: this script runs top to bottom, one line at a time, building up the answer step by step.
Dataset & schema
sales
The tiny starter data. Bigger data scrolls.
Fields
| sale_id | store | items |
|---|---|---|
| S1 | Mall | 6 |
| S2 | Town | 2 |
| S3 | Mall | 9 |
| S4 | Online | 4 |
Retail practice data only.
$ Press “Check my answer” — results appear here.Your next steps
Each item turns green when your answer includes it.
- Names the source
- Defines the quality rule
- Names trusted storage
- Defines access
- Names governance