Example of a user defined function (UDF) in MySQL

User-Defined Functions for HDF5

The Hadoop ETL UDFs are the main way to load data from Hadoop into EXASOL

A Microsoft Excel Add-in based on Excel-DNA which adds new user-defined functions (e.g. stock quote queries).

Excel-Add-In (UDF) to get stock data from the Alpha Vantage API

Example NodeJS UDF for Clickhouse

Designed to help students and beginners build a solid foundation in database management and SQL. 🌟 📘 Structured Learning: Progress day by day with clear, organized exercises. 🎯 Practical Application: Learn SQL skills for academic, project, and professional needs. 💡 Collaborative Space: Share and enhance your knowledge with a growing community.

Example vlang UDF for Clickhouse

Build an end-to-end data pipeline to transform, analyze, monitor changes, and schedule tasks for the Tasty Bytes food truck dataset using Snowflake

Utilities for debugging, profiling and code coverage measure for UDFs.

This projects provides a mock runner for Exasol Python3 UDFs which allows you to test your UDFs locally without a database.

Applying theoretical concepts into real-world contexts.

Common libraries for Exasol import and export UDFs

Tasks done for HyperionDev - CoGrammar Bootcamp in Python Fundamentals

An implementation of the Greenwald-Khanna approximate quantile streaming algorithm as a Spark user-defined aggregate function.

SQL Server performance tuning case studies with before/after and T-SQL scripts.