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Create partitioned table

SQLmedium0.4 min readPremium
Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Pubmatic
Key Concepts Tested
bigquerypartitionsnowflakespark
Expert AnswerPremium
81 wordsInterview-ready
**Architectural Logic**: Partitioning enables partition pruning—critical for cost and performance at scale. **BigQuery**: `CREATE TABLE dataset.sales (...) PARTITION BY sale_date` or `PARTITION BY DATE(created_at)`. **Snowflake**: `PARTITION BY (sale_date)` or expression. **Hive/Spark**: `PARTITIONED BY (sale_date DATE)`. **Why Partition**: Predicate on partition column skips non-matching partitions; 90% cost reduction on date-filtered queries....
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