Five Mistakes Performance Tuners Make
Erik Darling explains why your queries aren't scaling in production.
2017-09-06
5,344 reads
Articles
Azure DWH part 15: PolyBase and Azure Data Lake
In this article, we will learn how to query a csv file stored in the Data Lake using PolyBase.
2017-09-05
2,615 reads
Introduction to Azure Cosmos DB
Azure Cosmos DB is the latest data service offering from Microsoft. Azure Cosmos DB is a super set of DocumentDB and provides a new set of capabilities. These capabilities make Azure Cosmos DB stand out from other members in the NoSQL database family.
2017-09-05
3,084 reads
Time Traveling with Temporal Tables on SQL Server 2016
One of the new features of SQL Server 2016 is the ability to time travel in your databases and visit a specific table at a specific point of time in history. You can also use this feature to audit changes or “undo” whole data warehouse updates.
2017-09-04 (first published: 2016-10-18)
10,149 reads
Protecting production data in non-production environments
In this article, Grant Fritchey looks at the need to ‘shift left’ the database and associated database testing, while keeping sensitive data secure when it is outside the production...
2017-09-04
4,570 reads
Statistics in SQL: The Mann–Whitney U test
Phil Factor shows how to use the Mann-Whitney U test in SQL to to find out whether two samples come from the same distribution.
2017-09-04
4,456 reads
PowerShell Tool Time: Our First Toolbox
Learn how to begin assembling your functions and code into modules you can easily call from any session.
2017-09-01 (first published: 2015-10-28)
7,544 reads
What is the biggest mistake you made in production?
When you have sysadmin access, you are bound to make a big mistake in production at some point in your career - in this post Tara Kizer looks back at what hers were.
2017-09-01
4,773 reads
Resolving could not open a connection to SQL Server errors
Have you ever gotten connectivity errors from SQL Server? Jugal Shah explains the common causes for these errors, and advises on the steps you can take to resolve them.
2017-08-31
3,542 reads
Automating the Synchronization of RDS SQL Server Agent Jobs in a Multi-AZ Environment
Although Azure is the obvious Cloud service to host SQL Server, Amazon Relational Database Service (RDS) for SQL Server is a good choice when your organisation uses AWS. RDS deals with maintenance and monitoring, and supports the use of PowerShell to automate routine tasks. What if a script needs to be triggered by an unscheduled event? Even in this case, RDS can be configured to run scripts to react when something like a failover happens. Laerte Junior shows how easy it is to set up Lambda functions and some PowerShell scripts to automatically synchronise agent jobs after a failover.
2017-08-30
2,895 reads
Blogs
Five Ways Redshift Serverless Quietly Eats Your Budget
It is Friday, the queries are running, and nobody is watching the bill. That...
A Career of Memories
By Steve Jones
Annabel retired from Redgate Software this week. Across most of my career at Redgate,...
Rethinking Index Maintenance: Why avg_fragmentation_in_percent Is Outdated and What You Should Do Instead
By Tim Radney
As a SQL Server DBA with years of experience tuning production environments, I’ve seen...
Forums
Midjourney, Healthcare?
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Changes, Happiness, and a Few Tears
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BCP on Linux
Comments posted to this topic are about the item BCP on Linux
Question of the Day
BCP on Linux
When running bcp on Linux, what is the field terminator?
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