2020-03-30
566 reads
T-SQL
2020-03-24
556 reads
Combining many crossing intervals
This article demonstrates how the geometric functions in SQL can be use to solve the Islands and Gaps problem.
2020-03-16
2,557 reads
2020-03-10
889 reads
Gap Analysis Using Algebra
This article shows how to solve a gaps and islands problem using simple algebra.
2020-03-10
5,013 reads
Implementing Date Calculations in SQL
This article explains a way to use labels (last year, YTD, etc.) for report parameters.
2020-03-05
6,868 reads
Introduction to STRING_SPLIT function in SQL
This article explains the T-SQL function STRING_SPLIT() and demonstrates a creative use for it.
2020-03-02
10,486 reads
2020-03-02
831 reads
Mean Median Mode using SQL and DAX
This article explains how to calculate the important statistical functions, MEAN, MEDIAN, and MODE, in both T-SQL and DAX.
2020-02-28
34,403 reads
2020-02-27
23,481 reads
Blogs
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T-SQL Tuesday #197 Invitation – An impactful session or two from a conference
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I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
Did You Really Name That Default?
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Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Forums
The day-to-day pressures of a DBA team, and how we can work smarter with automation and AI
Comments posted to this topic are about the item The day-to-day pressures of a...
Daily aggregation of Azure Blob Storage by tier (created/tier-change/deleted)
Hello all, I’m looking for advice on how to derive a daily snapshot table...
SQL 2017 to SQL 2025. Good to Go ?
We need to replace our Windows server running SQL 2017. Any reason not to...
Question of the Day
Using OPENJSON
I have some data in a table that looks like this:
BeerID BeerName brewer beerdescription 1 Becks Interbrew Beck's is a German-style pilsner beer 2 Fat Tire New Belgium Toasty malt, gentle sweetness, flash of fresh hop bitterness. 3 Mac n Jacks Mac & Jack's Brewery This beer erupts with a floral, hoppy taste 4 Alaskan Amber Alaskan Brewing Alaskan Brewing Amber Ale is an "alt" style beer 8 Kirin Kirin Brewing Kirin Ichiban is a Lager-type beerIf I run this, what is returned?
select t1.[key]
from openjson((select t.* FROM Beer AS t for json path)) t1 See possible answers