Accelerated Database Recovery (ADR) is one of the most impactful engine changes introduced with SQL Server 2019. The goal of ADR is to dramatically reduce database recovery and rollback time, even in the presence of long‑running transactions. What Is Database Recovery? In a previous post, I discussed the SQL Server Restore and Recovery…
Optimize your SQL Server queries for maximum performance. Learn how to troubleshoot query plans and identify optimization opportunities.
The SQL Server Query Optimizer uses cost-based optimization to create an execution plan with the least cost.
Understand SQL Query Processing and how SQL Server parses and binds queries, ensuring syntax accuracy and resolving object names.
John Deardurff passed the DP-200 and DP-201 exam for the Microsoft Certified: Azure Data Engineer certification.
Explore the SQL Server Database Engine and its key components: SQLOS, Relational Engine, and Storage Engine.
In this post, we will discuss Dynamic Management Objects (DMO’s) used to troubleshoot for Waiting Tasks in SQL Server.
Explore the Task Execution Model used in the Database Engine for efficient CPU thread scheduling and task management.
How to read Heap and Clustered Index table operators in a SQL Server Execution Plan. One way of determining if a table is structured as a Heap or a Clustered Index is to look at the table operators from the Execution Plan.
Learn about table structures in SQL Server, including heaps and clustered indexes, to improve your data organization.