This free eBook from Redgate Software will take you from the fundamentals of Statistics, Cost Estimation, Index Selection, and the Execution Engine, and guide you through the inner workings of the Query Optimization process, and throws in a pragmatic look at Parameterization and Hints along the way.
2020-12-09 (first published: 2012-12-11)
54,472 reads
It's your last chance to take part in the 2021 State of Database DevOps survey! If you or your organization uses databases, we want to hear from you! Complete the survey for advance access to the final research report, and to be entered into a prize draw for a $500 Amazon voucher. Plus, for each submission we receive, we’ll donate $1 to the World Health Organization’s COVID-19 Solidarity Response Fund. Take the survey here.
2020-12-09
Introduction Performance, performance, performance. While performance in SQL Server can be achieved with code improvement and proper infrastructure maintenance, both tasks require an effort. Code reviews and deep index analysis would take time, but sometimes the obvious is right in front of you. Let's talk about HEAP tables, aka tables with no clustered indexes that […]
2020-12-08
7,215 reads
In this tip we will go through the steps for setting up customer managed keys or Bring your own key (BYOK) to be used for transparent data encryption for an Azure SQL Database.
2020-12-08
With 2020 coming to a close, it's time to look at the new year ahead. Join our final 2020 summit this December 10th, to discover how to implement a generative culture for successful IT teams and how database DevOps will drive growth and ROI in a remote world. Register to tune in live or watch the recordings.
2020-12-08 (first published: 2020-12-02)
With SQL Server 2012 Microsoft introduced the AlwaysOn Availability Group feature, and since then many changes and improvements have been made. This article is an update to another article, and will cover the prerequisites and steps for installing AlwaysOn in your SQL Server 2019 environment. Prerequisites Before implementing your AlwaysOn Availability Group (AG), make sure […]
2020-12-07
149,013 reads
In this article we look at how to export data from different SQL Server tables or queries into multiple Excel sheets in the same file.
2020-12-07
Ever wonder about index column order; this piece should give some insight.
2020-12-04 (first published: 2019-02-28)
8,610 reads
How can we balance our need to monitor SQL Server performance and operational processes across hundreds of SQL Servers, but also save time by focusing on the highest priority issues?
2020-12-04
We sometimes need to perform a different/alternative actions during database queries. We need it for data protection or data abstraction. The PostgreSQL rule system allows to define an alternative action on insert, update or delete. A rule generates an extra query. As a result, rule execution impacts the performance of the system. Creating Rules A […]
2020-12-03
8,994 reads
By Kevin3NF
Don’t Let Trouble Sneak Up on You Most SQL Servers run quietly. Until...
By Steve Jones
I had a conversation with a customer asking this question: how can I tell...
By Chris Yates
There was a time when the Chief Data Officer lived in the shadows of...
Comments posted to this topic are about the item Create an HTML Report on...
Hi I have a SP that occasionally get this error: Cannot resolve the collation...
Hi everyone I am getting an error when I create the index but I...
I have two calls to the GENERATE_SERIES TVF in this code:
SELECT TOP 10 gs.value FROM GENERATE_SERIES(1, 10) AS gs ORDER BY NEWID () OPTION (RECOMPILE); go DECLARE @a int = 10; SELECT TOP (@a) gs.value FROM GENERATE_SERIES(1, @a) AS gs ORDER BY NEWID () OPTION (RECOMPILE);In the actual query plans, what is the estimated number of rows for each batch in SQL Server 2022? See possible answers