Using the T-SQL PERCENTILE Analytic Functions in SQL Server 2000, 2005 and 2008
Percentiles give meaning to measurements by telling you the percentage of the population being measured who get higher or lower values. They are now easier to calculate in SQL, and are useful for reporting; but are the new analytic functions faster and more efficient than the older methods? Dwain Camps demonstrates, and investigates their relative performance.
Hack Us
A challenge from United intrigues Steve Jones. How many other companies would make a challenge like this?
Storing a Binary File in a Database
In this article you will see how to convert a file to a binary stream and insert it into SQL Server with SQLCLR.
SQL Monitor Custom metric: Average I/O stalls
This is a good general indicator of performance problems. High stall times indicate I/O problems, which can be attributed to busy physical disks or queries that return large data sets to the client.
Webinar: How to safely manage application and database changes with continuous delivery
Join Brian A. Randell, Grant Fritchey and Steve Jones in this panel discussion to hear tips, ideas and share your questions on managing application and database deployments with continuous delivery. This Free webinar will be on May 27th at 4PM BST, register while space is available.
The Cascading (CROSS) APPLY
An old trick nowadays but one which is still underused here on SSC is the cascading CROSS APPLY – where output from one CROSS APPLY is used as input for another.
Optimizing Batch Process in SQL Server
SQL Server batch processes are usually run from SQL Agent in the background. Often, the responsibility for creating these tasks belongs entirely to the developer. Dennes Torres demonstrates that DBAs can advise and assist with this type of batch job to help reduce their impact on the working system.
Big Data for SQL folks: The Technologies (Part I)
Will RDBMs be obsolete? Should Data Professionals care about Big Data technologies? What is NoSQL? What is Hadoop? Big Data-the whole story.
Blogs
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Are you getting value from your reporting?
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
The Book of Redgate: SQL Server Central
By Steve Jones
It was neat to stumble on this in the book, a piece by me,...
Forums
Backup to Immutable Storage
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Microsoft Security Changes and SQL Server
Comments posted to this topic are about the item Microsoft Security Changes and SQL...
Expanding into Print
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Question of the Day
Backup to Immutable Storage
In SQL Server 2025, a backup can be made on Azure Immutable Storage. What changes in how the backup is created?
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