If you have multiple CTE’s in a query then you can do what’s called a nested CTE. This is what Steve will go over in this video. Transcription of Video: So next, if you’ve got multiple CTE’s, we can do what are considered nested CTE’s, where the previous multiples we looked at, it was just two CTE’s that were being …
Added to SQL Server in 2008 Steve explains and demonstrates how to set up row constructor. Transcription of video: So there’s this thing called a row constructor. And this was added in SQL 2008. But it’s a way of saying select x from, and you give it a list of values around f of x or a function like this, …
Row Constructor in SQL Server Demo and Explanation Read more »
Improve you query skills with Common Table Expressions. The Common Table Expression (CTE) is one of the more powerful and often overlooked features in Microsoft SQL Server. This book will show some of the more interesting things you can do with a CTE. You will learn how CTEs are a great alternative to derived table queries, how to do data …
There are 2 perspectives here to the DBA on vacation, typically in an organization with only a single DBA so there is no cross coverage when someone goes on vacation. The view as the DBA: I have done everything that I can to prepare the systems for vacation, but still I end up getting called for some regular maintenance job …
Let’s start slow with a simple CTE query demo for easy absorption. Transcription of video: So let’s take a look at how to write a simple CTE query. So what I have is a test database here that I’ve set up called CTE demo. And in that I’ve got a couple tables one’s called royalty that has a bunch of …
Today Microsoft released a new update for SQL Server. SQL Server 2014 CU 4 + GDR (KB 5014164) 6/14/2022 Here are the latest updates for each version of SQL Server. SQL Server 2019 RTM CU 16 + GDRDownload links: CU 16 + GDR (KB 5014353) SQL Server 2017 RTM CU 29 + GDRDownload links: CU 29 + GDR (KB …
Check out this video explanation of how to put multiple CTE’s in a single query. Check back tomorrow for the demo on this. Transcription to this video: Now that we’ve covered how to build a CTE and how to replace some derived tables or sub queries with CTE’s, now we’re going to look at how do we put multiple common …
One of the most overlooked features of SQL Server is the CTE which not only simplifies the query, but gives you the ability to do things that would otherwise be impossible (or at least very challenging) with SQL Server. Unleash the possibilities using Common Table Expressions! Learn how in our our new course! As an introductory special, get this course …
As a continuation from the day before, here is the multiple CTE’s in a query demo. Transcription of the demo: All right. So here’s an example of a simple CTE that just does a union to return a list that says John, Mary, and Bill. And then we have a second one, that’s last names that just returns, Smith give …
Here listed is the current percentages of SQL server versions running our Daily SQL monitoring service with Database Health Monitor. Compare this month’s percentages to Last Month’s Percentages What does this post mean?? We offer a service called SQL Daily Checkup. The pie chart above represents all of our current customers using this service and what SQL Server versions they are running. …
Daily SQL Monitoring – SQL Server Versions for June Read more »