Sql
If you like applying Sql, every challenge here gives you a chance to practice it on a real industry brief.
- DesignIntermediateNew
Optimizing Inventory for a São Paulo D2C Cosmetics Brand
You are given a CSV file with raw sales, inventory, and supplier data. Your task is to design an E/R diagram, create the normalized relational schema in 3NF, populate it with sa…
- Sql
- Database Design
- Normalization
Database Systems - AnalysisIntermediateNew
Audit Data Quality for a Climate Tech Sensor Network
You receive 30 days of ingested sensor data (around 400 million rows) plus the sensor inventory and known maintenance windows. Define a set of data-quality expectations (null ra…
- Data Quality
- Great Expectations
- Anomaly Detection
Data Engineering and Big Data Systems
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Step 03
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Step 04
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Step 05
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Step 06
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