Comparing Window Function Features by Database Vendors

Jiří Mauritz Data Warehouse, Redshift, SQL for Analysis, Window Functions

We will round off the series on window functions with comparison of what database vendors offer. There are various mutations of window functions and every vendor supports a different subset or feature. Some also add extra window functions or features beyond standard ANSI SQL. One of the most powerful features is user-defined aggregate functions (UDAF), which some databases allow using ...

Convert IRS XML to PostgreSQL using Flexter Enterprise

Anvesh Gali XML

Loading IRS Data into PostgreSQL database using Flexter Enterprise In this walkthrough, we load the IRS XML files into PostgreSQL database using Flexter Enterprise edition. Flexter Enterprise provisions users with all features. The enterprise version provides users with numerous additional features which aren’t available on the free version of Flexter. Features Free Online Trial Enterprise Version Max daily data limit ...