Abhijit BhattacharyaIntroductionLately I was looking at a SparkSQL query. It was part of one of our data pipelines. The query involved four table joins and I couldn’t…Sep 13, 2023Sep 13, 2023
Abhijit BhattacharyaBinary search revisitedBinary search is one the fundamental technique that is taught early on in any undergraduate data structure and algorithm course. Lately I…Sep 7, 2022Sep 7, 2022
Abhijit BhattacharyaCode transformerData engineers are challenged with different types of data transformations. Pivot rows to columns, columns to rows, flattening a nested…Oct 10, 20212Oct 10, 20212