In Part 1 of this series, we looked at a brief description of in-memory tables, the syntax for creation, and benchmarked data insertion and update. Part 2 will continue with a concentration on the SELECT statement for benchmarking, and also touch on in-memory stored procedures. In-Memory SELECT Performance For the purpose of the following […]
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I’ve always been fascinated by performance, and my careers and hobbies have shown this. I’ve been a rocket scientist, sports car driver, USAF fighter pilot, and now a SQL Server® geek. When in-memory tables first came out in SQL Server 2014, I was highly intrigued by the prospect of something that did not require the […]
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/************************************************************************************ This script explores row compressed non-clustered indexes and the use case when the Primary Key and Clustered Index are not the same (with options) at the page level. Most likely, the page ids used here will change in your database configuration and setup—mine rarely used same page ids even with repetitive usage. However, the […]
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The title describes what I started up to do, but as usual, I like to experiment with queries to see if I can beat the optimizer for an acceptable query plan. Initially I thought the OR clause described below would be the best solution, but with a little experimentation, I found the order of columns […]
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In this presentation, you’ll learn how to install and run SQL Server® Integration Services (SSIS) on SQL Server® 2017 for Linux®. First, you’ll hear about some of the features and limitations of SSIS on Linux. Then you’ll learn how to develop and run SSIS packages on SQL Server for Linux using SQL Server Data Tools […]
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Read Part 1 Read Part 3 This is a continuation of Climbing the SQL Server Index B-tree. In Part 1, we dove down into the SQL Server® pages for a Clustered Index in the Sales.SalesOrderDetail table in the AdventrueWorks2012 database. In this paper, we will look at the data pages of the same table/database for unique-nonclustered […]
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Read Part 2 Read Part 3 The term “geek” applies to me because I am always wondering/tinkering with things that I don’t readily understand. Recently, I’ve become intrigued with “what’s under the covers” with SQL Server Indexes. Part 1 of this paper will dive down and look at the important items on each data page […]
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–Brought to you as a script! Enjoy –� 2017 | ByrdNest Consulting –Index B-Tree Analysis /************************************************************************************ This script explores clustered, unique-nonclustered, and nonclustered indexes at the page level. Most likely the page ids used here will change in your database configuration and setup — mine rarely used same page ids even with repetitive usage. However, […]
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Over last 18 months, I’ve given several SQL Saturday (and a PASS Virtual DBA) presentations on indexes. These presentations have evolved and I find it hard to complete the material I want to address in 60 minutes. But the more I dive into the material, the more I am learning. Several times I have been […]
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About zero cost plans in SQL Server OK, first thing first, what is a “zero cost plan” in SQL Server? I did some digging around and found the following links, which I would encourage you to read before continuing with this post: http://msdn.microsoft.com/en-us/library/ms181055.aspx http://support.microsoft.com/kb/325607 If you’ve done this background reading, you should now be aware […]
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SolarWinds DPA can collect a count of the number of deadlocks to be displayed as a resource graph. For Ignite versions prior to 8.2, you can update two files in order to start collecting the number of deadlocks. Enabling DPA to Collect Deadlock Information The code below takes advantage of the system_health extended event session […]
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In a long overdue move Microsoft has drastically changed the installation process for SQL Server Data Tools with the SQL Server 2016 release. In the past, SQL Server Data Tools was the name of two separate and quite different products. One of them was the descendant of the Business Intelligence Development Studio (BIDS) which was […]
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