Perl Script, Functions, Performance Tuning, Pl Sql, Sql Loader, Autosys, Explain Plan, Shell Script, Materialized Views, Oracle, Partitioning tables, stored procedures, Cron-tab, Control-M, DB Links

snowflake , SQL Server, Test Cases, Sql Queries, Testing, Test Plans, Oracle, record-level reconciliation, data quality rules, aggregates, checksum hash comparisons, performance regression checks, ETL jobs, acceptance criteria, Data Validation, source-to-target validation