A comprehensive SQL Server project that demonstrates database design, CSV data import, and 50+ SQL queries, including joins, subqueries, aggregations, business insights, and interview-focused SQL ...
spark.sql.parquet.enableVectorizedReader = true — Vectorized Parquet reads spark.sql.files.maxPartitionBytes = 134217728 — 128MB partition size for optimal parallelism spark.sql.adaptive.enabled = ...
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