Impala/Hive SQL Pivot Example This example describes how Impala SQL can be used to pivot columns to rows and vice versa. Most relational databases such as Oracle and MS SQL provide some form of built ...

I’ll look at that support in a later column (among other features, it provides a way to recompose a JSON object into a row in a table). In this column, I’ll concentrate on SQL Server’s ability to ...

A (somewhat opinionated) list of SQL tips and tricks that I've picked up over the years. There's so much you can do with SQL but I've focused on what I find most useful in my day-to-day work as a data ...

Difference between a column and row The key difference between columns and rows is that a column arranges data vertically from top to bottom, while a row arranges data horizontally from left to right.