Focus: Background, role fit, career goals. Expect: Questions about your experience with SQL, Python, ETL tools, Hive, Spark. Goal: Ensure you meet baseline requirements before technical rounds. Hive internals: Execution engines (Tez, Spark), ORC vs Parquet, ACID transactions. SQL Server/Databricks: Partitioning, indexing, performance tuning. ETL workflows: Incremental loads, error handling, scheduling. Data modeling: Star schema, SCD implementation in Hive.