Data Analysis with LLMs on Large Databases

Looking for a open/closed source solution for LLMs doing the work of Data Analysts on really large databases. For example, The Microsoft Contoso Database used as a demo for learning Power BI is approximately 450 MB and contains retail sales data. It has tens of tables each with several tens of columns. Is there a solution presently for querying in natural language and getting the LLM to perform data analysis. Essentially replacing a data Analyst