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Předminulou středu jsme opět poobědvali a zároveň si nasdíleli řadu novinek ze světa dat. Tak doufám, že příště dorazíte i vy! Můžete klidně i jen poslouchat, pokud vás novinky...

2022-01-25

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Blog Post

Why Is “WHERE 1=0” Slow?

I saw a question the other day, questioning why they’re creation of temporary tables was so slow. What they were doing was (a much more complicated version of) this:...

2022-01-24 (first published: )

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Blogs

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Call a Fabric REST API from Azure Data Factory

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By mjdemaris

I am in the process of migrating from MySQL to SQL Server. I have...

Select Returning Blank Rows

By JP789

I have the following select statement --#1 Select supplier, s.refnum, desc from supplier as...

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Good morning to all.  I am a novice when it comes to SQL so...

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Question of the Day

Replacing a NULL II

What is returned from this code in SQL Server 2022?

DECLARE
  @value INT = NULL
, @value2 VARCHAR(20) = NULL;
SELECT COALESCE (@value, @value2, 100.5) AS Result;
GO

See possible answers