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.
Steve Jones has a few thoughts on the Microsoft MVP program and the desire of many people to become an MVP.
This article includes an examination of how I improved update performance. We examine four methods of loading data into a data warehouse.
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?
People often conclude that the cheap price of storage is a license to use as much as possible, but there is a cost.
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.
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.
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.
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.
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When I use QUOTENAME(), I can optionally provide the character used to surround the string in the result. Can I use any character?
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