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The CE's job is to use statistics to determine how many rows will come back for any given operation in a query plan. SQL Server's ...

New Cardinality Estimation Logic in SQL Server 2014 improves performance of queries. In this quick demonstration to see how ...

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A cardinality estimate is the estimated number of rows, the optimizer believes will be returned by a specific operation in the ...

Animation tools: Adobe Illustrator and After Effects ABOUT US: Covering topics in database systems.

Looking for comprehensive, deep-dive training on SQL Server Performance Tuning? Explore SQLMaestros All-In-One ...

Kate Smith - Senior PM, Microsoft SQL Server - Goes into details about Intelligent Query Processor in SQL SQL Server 22 ...

When building indexes for your queries, the order of your index key columns matters. SQL Server can make the most effective use ...

Qwen 3.8 27B quantized to 8.4GB via GSQ-RCO still loses 9 coding points, here's what the benchmarks actually prove vs. Claude.

In this video, I dive into the nuances of using local variables in SQL Server queries, particularly how they can affect cardinality ...

COUNT(*) and COUNT(1): Performance Battle Let us learn which one is faster. Must Watch: ...

In this video, I delve into how indexes store and sort data in SQL Server, focusing on B-tree rowstore indexes as they are the most ...

SQL Server Statistics and the New Cardinality Estimator Part 1.

Episode 5 of my videos for my undergraduate Real Analysis course at Fairfield University. This is a recording of a live class.

Check out SQL Server Management Studio 2016's Live Query Stats feature in action.

PDF: https://dl.acm.org/doi/10.1145/3514221.3526154 Lab webpage: http://dblab.postech.ac.kr Personal webpage: ...

Lecture from the Approximation Algorithms course at University of Copenhagen. Based on the textbook by Cormode and Yi, ...