pivot table

Pivot Tables and Reporting in SQL

Quite enough, there’s a need to change how data is displayed in a database so that the users could analyze it more easily. One of the cases of such transformation is transposing data from rows to columns in SQL Server.


How to Create a Pivot Table in PostgreSQL Using the crosstab Function

A typical relational database table contains multiple rows, quite often with duplicate values in some columns. Data in such a table is usually stored in random order. By running a query to select data from a database table, you can perform filtering, sorting, grouping, selection, and other operations with data.