There are a handful of options when backing up SQL Server databases. A DBA must understand the differences and come up with a plan that protects the organisation’s data. In this article, Pamela Mooney explains service level agreements, recovery models, and some strategies to ensure that the data can be restored quickly.
2020-12-09
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
7,256 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
156,642 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
Learn about best practices for developing SSIS packages that you want to execute from SQL Server Agent and the steps to follow.
2020-12-07 (first published: 2020-12-01)
Ever wonder about index column order; this piece should give some insight.
2020-12-04 (first published: 2019-02-28)
9,011 reads
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Comments posted to this topic are about the item Let's Talk Certifications
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers