Abstract: The lack of information within relational databases expressed as NULL values presents a problem in ensuring the quality of data and the information retrieved by SQL queries. This is so ...

Recently I’ve been asked by colleagues with various different types of performance problems why Power BI is generating SQL in a particular way, and the answer has been the presence of nullable columns ...

is a reporter with five years of experience covering consumer tech releases, EU tech policy, online platforms, and mechanical keyboards. I’m not a massive fan of personalized license plates, but even ...

Both IS NULL and IS NOT NULL get translated to the latter form as this maps nicely to the exists query. However for scripting this ends up with double methods which is inconvenient as it's a negation ...

What a great last few days for PowerApps! I hope you have been enjoying the announcements in the Spring Update Blog bundle. Have you seen Satya’s video? This blog doesn’t quite rise to the level of ...

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 integration ...

I've been in an argument with one of our devs that took an update statement with an inner join and made it a left join (because inner was missing some records somehow in the left table - tableB in ...