Stairway to SQL Server Extended Events

Stairway to SQL Server Extended Events Level 4: Extended Events Engine - Essential Concepts

In this level, we're going to dig a little deeper into the Extended Events engine, its architecture, and fundamental components. It will give you a deeper understanding of why, in general, an Extended Events session is inherently lower in overhead than an equivalent SQL Trace. We'll also investigate how to design our event sessions to minimize any unnecessary overhead during event data collection, even when we need to create relatively complex event sessions to investigate difficult performance problems.

Stairway to T-SQL Beyond The Basics

Stairway to T-SQL: Beyond The Basics Level 4: Using Views to Simplify Your Query

This level discusses how to use a database VIEW to simplify your Transact-SQL(T-SQL) code. By understanding how to use a VIEW you will be able to better support writing T-SQL code to meet complex business requirements. In this article I will be discussing what a database VIEW is and then providing a number of examples to help you understand how you can use a VIEW to implement different coding scenarios.

Stairway to T-SQL Beyond The Basics

Stairway to T-SQL: Beyond The Basics Level 6: Using the CASE Expression and IIF Function

There are times where you need to write a single T-SQL statement that is able to return different T-SQL expressions based on the evaluation of another expression. When you need this kind of functionality you can use the CASE expression or IIF function to meet this requirement. In this Stairway level Gregory Larsen reviews the CASE and IIF syntax and showing you examples of how the CASE expression and IIF function.

Blogs

Red Flags in Your Query (T-SQL Tuesday #200)

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When I'm looking at a query, I bet it's bad if I see... a...

T-SQL Tuesday #200: When I Look at a Query …

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This month is a milestone for T-SQL Tuesday. It’s number 200, which doesn’t sound...

Reflections on the Life of a DBA

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The DBA life is fraught with pain. Those battles that we endure are mostly...

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A Quick Second Opinion

By Steve Jones - SSC Editor

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Five Intelligent Query Processing Features in SQL Server 2022 That Quietly Tune Your Workload

By vgupta

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Checking the Error Log I

By Steve Jones - SSC Editor

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Question of the Day

Checking the Error Log I

On my SQL Server 2025, I want to search the error log from my T-SQL code for potential issues and then inform an administrator. What is the current way to easily query the error log?

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