SQLEspresso

Blog Post

Comparing Execution Plans

When you run a query twice, and get dramatically different run times, your first step can be to try to identify the differences in execution plans. For many that...

2019-07-05 (first published: )

923 reads

Blog Post

Filtered Index Basics

In this post, we continue with another beginner’s blog of database features that may be unknown to many. Let’s take a look at filtered indexes. Many database administrators are...

2019-06-10 (first published: )

758 reads

Blog Post

DMV’s for the Beginner

I give performance presentations at many different events to all levels of SQL Server professionals. Over time I’ve noticed that some DBAs and developers have never looked at the...

2019-05-29 (first published: )

2,083 reads

Blog Post

What is Implicit Conversion?

Another quick post of simple changes you can make to your code to create more optimal execution plans. This one is on implicit conversions. An implicit conversion is when...

2019-04-29 (first published: )

1,133 reads

Blog Post

What’s a Key Lookup?

One of the easiest things to fix when performance tuning queries are Key Lookups or RID Lookups. The key lookup operator occurs when the query optimizer performs an index...

2019-04-17 (first published: )

716 reads

Blogs

A New Word: Immerensis

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immerensis – n.  the maddening inability to understand the reasons why someone loves you...

Deploy a Dockerized Python TODO App to Azure Container Apps Using Pulumi and Azure Key Vault

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In this post, I will guide you on how to deploy a dockerized simple...

SQL Server Wait Stats

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Everything in SQL Server is waiting for something…this is by design. And most people...

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Forums

mysql query timeout upped but job still fails about same number of minutes in

By stan

hi, i changed my mysql based linked server's timeout to N'600' instead of N'0'...

Somebody realized to configure Cluster-Aware updating on VMWare nodes

By boskabouter 007

Creating an Windows Server Fail-over Clusters with two SQL server 2022 and a File...

is it cache or something else

By stan

hi a few days ago i narrowed down the cause of a new problem...

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Question of the Day

SQL Server Collations

At what levels can we set the collation in SQL Server 2022?

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