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When running a query where the result has a null time column druid will silently fail with a null pointer exception. Steps to reproduce Turn on SQL null handling using ...

Motivation This proposal is to improve handling of null values in druid by treating nulls as missing values which don’t actually exist. This will make it more compatible to SQL standard and help with ...

I'm trying to put together a DTS package to export data from SQL Server (2k) into a CSV file that I can in turn import into MySQL.The problem I'm running into is SQL Server exports NULL values as ...

On the surface, it may appear that the SQL clauses IN and EXISTS are interchangeable. However, they’re quite different in how they handle NULL values and may give different results. The problem ...