Advanced SQL, Data Modeling & Warehousing
Dimensional modeling, Star/Snowflake schemas, partitioning, complex analytical SQL queries.
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Dimensional modeling, Star/Snowflake schemas, partitioning, complex analytical SQL queries.
Spark RDDs, DataFrames, PySpark transformations, distributed memory management, optimizing Spark jobs.
Snowflake architecture, virtual warehouses, zero-copy cloning, dbt data transformations & testing.
Apache Airflow DAGs, Kafka distributed messaging, real-time ingestion into Delta Lake tables.
Scalable data architecture defense, interview rounds with global product & tech consultancy firms.