It sometimes pays to go back and look at what you think you already know about SQL. Joe Celko gives a quick revision of the GROUP BY and HAVING clauses in SQL that are the bedrock of any sort of analysis of data, and comes up with some nuggets that may not be entirely obvious.
2016-03-08
6,672 reads
Changing Database Collation Through Primary keys, Foreign Keys, Default and Check Constraints and more.
2016-03-07
4,223 reads
Hear from Microsoft engineering experts on the latest features in SQL Server 2016 before the live event. Learn about new business intelligence capabilities like built-in mobile BI, fully integrated advanced analytics, security innovations, mission critical in-memory performance and new hybrid cloud solutions.
2016-03-07
3,159 reads
Aaron Bertrand (@AaronBertrand) revisits the impact that eliminating DONE_IN_PROC messages using SET NOCOUNT ON may or may not have on query performance
2016-03-07
5,657 reads
Learn about how to build value driven analytics with SQL Server and R.
2016-03-04 (first published: 2014-11-03)
16,033 reads
A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU
2016-03-04
4,848 reads
In June last year we got in touch to let you know that Redgate acquired ReadyRoll. Over the last few months, ReadyRoll went from a one-man project to having a team of developers, testers, and support engineers behind it. Dan Nolan, the founder of ReadyRoll, is now a product manager at Redgate. And next week it’s time for ReadyRoll to become a fully-fledged Redgate tool available from www.red-gate.com.
2016-03-03
4,385 reads
One of the most important features of the SQL Server 2016's new Query Store is the reporting. With these features, it is now possible to get a wealth of information on how your query workload is performing, either aggregated for the entire query workload or for a single query. With this information, you can see the effects of 'forcing' an execution plan for specific queries and get feedback of the consequences.
2016-03-03
3,901 reads
2016-03-02
330 reads
Siddharth Mehta walks through how to automatically migrate reports from MS Access to SQL Server Reporting Services (SSRS) without having to rebuild anything from scratch.
2016-03-02
3,889 reads
Every organization I talk to has the same problem dressed up in different clothes....
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Comments posted to this topic are about the item The day-to-day pressures of a...
Hello all, I’m looking for advice on how to derive a daily snapshot table...
We need to replace our Windows server running SQL 2017. Any reason not to...
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