it depends :-), but both queries could return different results when are used with real tables.

Your  first query (with UNION ALL) could return duplicates, when you have the...

Nice question, but when you use country specific date / time conversion, you should always add a SET language = 'englisch' to the query.

On my German SQL Server...

You are right about the missing OVER() in the third query - sorry, my fault,

On the other side the execution plans for query one and two are not...

This is a little inconsistency, since you can't set CONTEXT_INFO to NULL.
DECLARE @ci VARBINARY(128) = CONTEXT_INFO();
--<do some stuff as temporary setting CONTEXT_INFO to something else>
SET...

I'd guess that there are a lot of small and big shops out there, which uses bcp and sqlcmd regulary (e.g. bcp for simple import / export tasks where SSIS...

Another problem: JSON could be stored in a (N)VARCHAR(MAX) field which could not be added to an index (only included, but this would only allow full index scans, even if...

What happens, if you call the procedure again with an ID which has only one entry (so that the granted memory is now much to high)? Will it lower the...

I'm confused - the MS page you linked in your answer says in its head:
THIS TOPIC APPLIES TO: SQL Server (starting with 2016)

So...

Heterogenity may sound nice, but if I have x different systems, it multiplies the number of vulnerabilities too. And of course I would need staff, which knows this systems very...

Why is usefull stuff as this deprecated? Everyone is talking about normalisation, but I still have to write the same code in a CHECK CONSTRAINT again and again and again,...

Yes, a procedure RUNs and COMPILES with a separat scope / copy of the #temp table. But (as written) there seems to be a bug in the parser / syntax...

As long as 3rd party tools as SQL Prompt or SSMS Boost does not support SOS, it is unlikely, that I would use it regularly, except it implements all the...

Our database uses triggers on many databases. Some time ago, when the developers had to run a special INSERT/UPDATE/DELETE, which should not trigger the trigger :-), the always disabled the...

Nice article, but instead of using a slow multiline table value function, you should better use the well tested and fast inline table value function DelimitedSplit8K (except your...

Short question: I admit, that I do not work with R, but why should anyone else really wants to do this "graphical" plotting in R, while there are much more...