Quiz: Advanced BigQuery Applications and Optimization
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1. What is the primary benefit of using materialized views in BigQuery?
2. Which of the following is NOT allowed in a materialized view?
3. Why might you use TABLESAMPLE SYSTEM when querying a large table?
4. When would you use an external table from Google Cloud Storage
5. Which method would you use to prevent a query from failing when converting strings to integers
6. What does the COALESCE() function help with in error handling?
7. In the context of error handling, why would you validate quantities before calculating totals?
8. Which clause helps filter out invalid rows before performing calculations on primary keys
9. What happens if BigQuery detects a materialized view for a base table you're querying?
10. Which strategy helps when a CSV is too large to open or upload directly into BigQuery
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Avsnitt 4. Kapitel 5