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task manager

Task Manager – Confusing Story of CPU

November 26, 2019
Pinal Dave
SQL Tips and Tricks
CPU Threads, SQL CPU, SQL Scripts, SQL Server, Windows

Clients hired me to help with the Comprehensive Database Performance Health Check. We will talk about a very Confusing Story of CPU of Task Manager.

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Actual Number

SQL SERVER – ColumnStore Index Displaying Actual Number of Rows To Zero

November 25, 2019
Pinal Dave
SQL Performance
ColumnStore Index, SQL Index, SQL Scripts, SQL Server

I had a very interesting conversation with their Senior DBA about ColumnStore Index Displaying Actual Number of Rows To Zero. 

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disable batch mode

How to Disable Batch Mode in SQL Server? – Interview Question of the Week #252

November 24, 2019
Pinal Dave
SQL Interview Questions and Answers
Batch Mode, ColumnStore Index, SQL Index, SQL Performance, SQL Scripts, SQL Server

My immediate reaction was why would you disable batch mode in SQL Server when it is really is an awesome feature for performance

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statistics time

SQL SERVER Management Studio – Enable Statistics Time and IO for Every Query

November 23, 2019
Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL Server, SQL Server Management Studio, SQL Statistics, SSMS

I was asked a very interesting question about statistics TIME and IO for SQL Server Management Studio, let us discuss that in today’s blog post.

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recompile stored procedure

SQL SERVER – Recompile Stored Procedures Two Easy Ways

November 22, 2019
Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL Server, SQL Stored Procedure

At that point, I realized that I should have a blog post that explains to easy way to recompile stored procedures. Today, we will learn about 2 methods.

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batch mode

SQL SERVER – Batch Mode in RowStore – Performance Comparison

November 21, 2019
Pinal Dave
SQL Performance
Batch Mode, ColumnStore Index, Compatibility Level, Execution Plan, SQL Scripts, SQL Server, SQL Server 2019

Let us see in this blog post the performance comparison between Batch Mode and Row Mode. The most asked question was about the Performance difference.

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RowStore

SQL SERVER – Simple Example of Batch Mode in RowStore

November 18, 2019
Pinal Dave
SQL Performance
Batch Mode, Clustered Index, ColumnStore Index, SQL Index, SQL Scripts, SQL Server

During Comprehensive Database Performance Health Check, I had a pleasure to demonstrate to customers a Simple Example of Batch Mode in RowStore.

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