Often Missing SkillsAdvanced SQL and performance tuningDimensional data modeling (Kimball)Hands-on ETL/ELT tools (SSIS, Informatica, or dbt)DAX for Power BI or MDX for SSASCloud warehouse operations and cost/performance tuning
Development SuggestionsBuild an end-to-end project: ingest with dbt/SSIS into Snowflake or Redshift, model a star schema, and publish a Power BI dashboard; complete PL-300 and dbt Fundamentals to validate skills.