Before the SQL Window functions were implemented, it was tricky to calculate rolling totals or moving averages efficiently in SQL Server. There are now a number of techniques, but which has the best performance? Dwain Camps gets out the metaphorical stopwatch.
2013-11-01
4,628 reads
This article includes an examination of how I improved update performance. We examine four methods of loading data into a data warehouse.
2013-10-31
9,618 reads
Distributed applications are just that: distributed across one or more hardware platforms across the enterprise. The database administrator (DBA) has the unenviable task of monitoring these environments and configuring and tuning the database server to meet multiple needs. As multiple distributed applications now require access to a very large data store, what tuning options are available to help?
2013-10-31
3,024 reads
Come join in the SQL Relay in 2013, attending a user group the week of Nov 11, 2013 in the UK. There are some amazing speakers, so be sure to register and attend.
2013-10-30 (first published: 2013-10-21)
5,868 reads
Too often, the batch systems that underlie a lot of database processing just grow without conscious design. When runs start to extend beyond their allotted time, and tuning no longer solves the problem, it is often discovered that batches are run in series, with draconian error handling. It is time to impose some rational design, and Nigel is a seasoned healer of batch processes.
2013-10-30
3,753 reads
A short SQL Spackle article to fill in your knowledge of SQL Server. In this one, Jason Brimhall shows how to export execution plans when you ask for query tuning help.
2013-10-29
5,137 reads
SQLSaturday BI & Big Data Edition is a free training event for everyone interested in learning about Business Intelligence & Big Data with a focus in the Microsoft SQL Server platform. This event will be held November 9th, 2013. In addition to our Saturday free event, we will also host four paid full day pre-conferences.
2013-10-29
387 reads
I'm using SQL Server's built-in encryption to hide data in one of my SQL Server databases, but this is a reporting system and my end users need to be able to query the data without having to remember the specialized decryption functions. Is there a way to do this? Yes, there is, via the use of views.
2013-10-29
4,794 reads
SQL Saturday is a training event for SQL Server professionals and those wanting to learn about SQL Server. This event will be held Nov 9 2013, admittance to this event is free, all costs are covered by donations and sponsorships.
2013-10-28
2,910 reads
SSIS is able to take sorted data from more than one OLE DB data source and merge them into one table which can then be sent to an OLE DB destination. This 'Merge Join' transformation works in a similar way to a SQL join by specifying a 'join key' relationship. this transformation can save a great deal of processing on the destination. Annette Allen, as usual, gives clear guidance on how to do it.
2013-10-28
4,491 reads
Programmatic Tool Calling with the Claude SDK Every morning somebody on the team runs the...
By Steve Jones
mauerbauertraurigkeit – n. inexplicable urge to push people away, even close friends whose company...
By Brian Kelley
Pinal Dave wrote up his methodology for what to do when you discover bad...
Comments posted to this topic are about the item Why SQL Server Database Attach...
Comments posted to this topic are about the item Fixing P1 Queries
Comments posted to this topic are about the item BIT_COUNT() IV
In SQL Server 2025, I run this code:
select bit_count('A')
What is returned? See possible answers