Roland Bouman's blog

I was playing with some classical statistics in DuckDB and I ran into something I'd like to share.

The DataZen winter meetup 2025 is nigh!

DuckDB bag of tricks is the banner I use on this blog to post my tips and tricks about DuckDB.

DuckDB bag of tricks is the banner I use on this blog to post my tips and tricks about DuckDB.

DuckDB bag of tricks is the banner I use on this blog to post my tips and tricks about DuckDB.

DuckDB bag of tricks is the banner I use on this blog to post my tips and tricks about DuckDB.

DuckDB bag of tricks is the banner I use on this blog to post my tips and tricks about DuckDB.

DuckDB bag of tricks is the banner I use on this blog to post my tips and tricks about DuckDB.

DuckDB bag of tricks is the banner I use on this blog to post my tips and tricks about DuckDB.

Some 1.5 years ago I heard about DuckDB for the first time.

Nowadays, many SQL implementations offer some form of aggregate string concatenation function.

This tip provides a way to centrally manage UI state, and to persist it - automatically and without requiring intrusive custom code sprinkled through your apps.

In this ui5tip, we'll take a look at integrating ui5's sap.ui.model.json.JSONModel with sap.ui.util.Storage utility.

UI5 offers a couple of widgets that can expand and collapse.

Standard UI5 event handling will usually go a long way.

Here's a ui5tip to show how you can change the look and feel of the sap.m.TabContainer with a minimal amount of custom CSS.

UI5 apps always take a little time to load.

For one of our Just-BI customers we implemented a Year-to-Date calculation in a Azure Synapse Backend.

For one of our Just-BI customers we implemented a Year-to-Date calculation in a Azure Synapse Backend.

For one of our Just-BI customers we implemented a Year-to-Date calculation in a Azure Synapse Backend.

For one of our Just-BI customers we implemented a Year-to-Date calculation in a Azure Synapse Backend.

For one of our Just-BI customers we implemented a Year-to-Date calculation in a Azure Synapse Backend.

This is the last of a series of blogposts describing a simple web front end tool to explore SAP HANA's Text Analysis features on documents uploaded by the user.

We now continue our series on building a simple web application for exploring SAP HANA Text Analysis features.

In the previous blog post, I explained some of the pre-requisites for building a SAP HANA Text Analysis application, and some thoughts were dedicated on how to expose these features to a end-user facing web-application.