02_Data Extraction
- What is snapshot data?
- What is sorting data and how is it done in SQL?
- What is source system latency?
- What is SUM and AVG used for?
- What is the difference between SELECT * and selecting specific columns?
- What is the GROUP BY clause?
- What is the LIMIT or TOP clause and when is it used?
- What is the ORDER BY clause?
- What is the purpose of the WHERE clause in SQL?
- What is throttling in API-based extraction?