Last week I was working on a Power BI custom data connector for a customer and I came across a problem that has been bothering me for a while. The “Invoke Custom Function” button is a very powerful ...

parser_tools is a DuckDB extension designed to provide SQL parsing capabilities within the database. It allows you to analyze SQL queries and extract structural information directly in SQL. This ...

A user-defined function is a mechanism with which you can write your own extensions to SQL. The built-in functions supplied with DB2 are a useful set of functions, but they may not satisfy all of your ...

Given a function invocation, the database manager must decide which of the possible functions with the same name is the "best" fit. This includes resolving functions from the built-in and user-defined ...