Kaggle – Dirty Café Sales Data, in which inconsistencies were deliberately introduced. It served as a useful SQL refresher and exercise in: ⚠️ Columns are initially stored as VARCHAR to handle dirty ...

SQL Skills Refresher – Practicing with MySQL Workbench To reinforce my SQL fundamentals, I recently completed a hands-on project using MySQL Workbench. Working with a self-created external data source ...

In this talk, I present an architectural overview of the SQL Server Parallel Data Warehouse DBMS system. PDW is a massively parallel-processing, share-nothing, scaled-out version of SQL Server for DW ...