Karen WarmbeinQuery tuning with the cosmosAn introduction to an advanced topic5 min read·Aug 27, 2020----
Karen WarmbeinEditing tables with PostgresAnother tutorial with the cosmos4 min read·Aug 22, 2020----
Karen WarmbeininThe StartupObserving the Cosmos With SQLSolving a really difficult problem in PostgreSQL6 min read·Aug 16, 2020----
Karen WarmbeininDataSeriesThe Nth largest objectAn explanation for writing functions in SQL4 min read·Aug 9, 2020----
Karen WarmbeinFour soft skills for success as a Data ScientistLinear Regression, classification metrics, NLP, and neural networks — oh my! There are a lot of technical topics to learn to be an…4 min read·Jul 30, 2020----
Karen WarmbeininLevel Up CodingFinding seasonality in sales dataAn intermediate topic in SQL with the cosmos5 min read·Jul 26, 2020----
Karen WarmbeininLevel Up CodingLAG functionality on SQL DataAn intermediate topic in SQL with the cosmos4 min read·Jul 19, 2020----
Karen WarmbeininThe StartupA clever trick— finding duplicatesBasic and intermediate SQL topics with the cosmos3 min read·Jul 12, 2020----
Karen WarmbeinExploring Decision TreesAfter nearly two months of exploring SQL, I took a week off and switched to study a different topic — Decision Trees. Decision Trees are…4 min read·Jul 5, 2020--1--1
Karen WarmbeininThe StartupA window to the solar systemLooking closer at an intermediate SQL topic4 min read·Jun 27, 2020----