Amazon's smart assistant Alexa was down for thousands of users on Thursday, as per Down Detector. Users of Alexa smart devices complained that when they tapped on the skills section of the Alexa app, ...

At long last, National Institutes of Health (NIH) principal deputy director Lawrence Tabak admitted to Congress Thursday that US taxpayers funded gain-of-function research at the Wuhan Institute of ...

It seems that COALESCE may be expanded to a CASE/WHEN, which causes the expression to get evaluated twice (link); ISNULL apparently doesn't have this behavior. This has a performance impact (i.e. when ...

### Issue Description Specifying `dtype=pd.Float64Dtype()` while creating a pandas dataFrame leads to inconsistent results in using `series.isnull()` vs. `series.apply(pd.isnull)`. If I don't specify ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...