Spark SQL is Apache Spark's interface for structured data processing using SQL. It enables querying large datasets (petabytes+) with SQL syntax while leveraging Spark's distributed computing engine. Used by data engineers, data scientists, and analytics engineers at scale. Takes 6-8 months to develop advanced competence. Sits between SQL and distributed computing.
Spark SQL is Apache Spark's interface for working with structured data at scale. It allows querying massive datasets (terabytes to petabytes) using standard SQL syntax while leveraging Spark's distributed computing engine. Under the hood, Spark SQL optimizes queries, parallelizes execution across clusters, and manages memory efficiently. Spark SQL is the foundation for modern data lakes, batch ETL, and large-scale analytics. It's the dominant tool for distributed SQL processing.
| Khu vực | Nhập môn | Trung cấp | Cao cấp |
|---|---|---|---|
| USA | $100k | $160k | $250k |
| UK | $80k | $130k | $210k |
| EU | $85k | $135k | $220k |
| CANADA | $95k | $155k | $240k |
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