1. SQL queries.(Medium Level of Leet Code).\n1. Basic Concepts for creation of Datawarehouse and Data Mart?\n1. Difference betweeen Star schema and Snowflake Schema.\n2. Project level details, if handled Big data .. Process of handaling\n3. Apcae Spark ingestion of data, working with computations.\n\n\n

SQL queries.(Medium Level of Leet Code).\n1. Basic Concepts for creation of Datawarehouse and Data Mart?\n1. Difference betweeen Star schema and Snowflake Schem