Apr 2025 Discount: Comprehensive Database Performance Health Check | Testimonials

Home
  • Consulting
  • Training
  • Free Videos
  • All Articles
    • Interview Questions and Answers
    • SQL Tips and Tricks
    • SQL Performance
    • SQL Puzzle
    • Big Data
    • Blog Stats
    • SQL Books
    • Search SQLAuthority
  • Downloads
  • Hire Me
  • Health Check

SQL SERVER – Finding Queries Using Particular Index

July 15, 2021
Pinal Dave
SQL Performance
SQL Cache, SQL DMV, SQL Index, SQL Scripts, SQL Server

One of the most popular questions I received during my Comprehensive Database Performance Health Check is Finding Queries Using Particular Index.

Read More
Count Sum

One Scan for 3 Count Sum – SQL in Sixty Seconds #178

July 2, 2021
Pinal Dave
SQL Tips and Tricks
Execution Plan, SQL Function, SQL in Sixty Seconds, SQL Index, SQL Scripts, SQL Server

Well, the answer is pretty straight forward and that is what we are going to see in today’s video of One Scan for 3 Count Sum.

Read More

SQL Server – Single Scan for 3 Operations – COUNT(*) COUNT(1) SUM(1)

June 30, 2021
Pinal Dave
SQL Performance
Execution Plan, SQL Function, SQL Index, SQL Scripts, SQL Server, SQL Server Management Studio, SSMS

Today we will take the same conversation to the next level by discussing Single Scan for 3 Operations – COUNT(*) COUNT(1) SUM(1).

Read More
Index Frequently Asked Questions

COUNT(*) and Index Frequently Asked Questions

June 22, 2021
Pinal Dave
SQL Tips and Tricks
SQL Index, SQL Scripts, SQL Server

However, before you read today’s COUNT(*) and Index Frequently Asked Questions I suggest you watch the video COUNT(*) and Index.

Read More
StarIndex

COUNT(*) and Index – SQL in Sixty Seconds #175

June 21, 2021
Pinal Dave
SQL Video
Execution Plan, SQL in Sixty Seconds, SQL Index, SQL Scripts, SQL Server

Earlier I wrote two blog post on the topic of COUNT(*) and Index and today I have to build a video on that topic as many of you really wanted.

Read More
index used

SQL SERVER – COUNT(*) and Index Used – Part 2

June 18, 2021
Pinal Dave
SQL Tips and Tricks
Clustered Index, Execution Plan, SQL Index, SQL Scripts, SQL Server

Yesterday I wrote a blog post on the topic SQL SERVER – COUNT(*) and Index Used, lots of people asked me to follow up question.

Read More
COUNT

SQL SERVER – COUNT(*) and Index Used

June 15, 2021
Pinal Dave
SQL Performance
Clustered Index, Execution Plan, SQL Index, SQL Scripts, SQL Server

DBA suspects those operations are using lots of clustered index scans. Let us discuss today COUNT(*) and Index Used. Let’s learn.

Read More
Previous 1 2 3 4 5 6 7 8 … 47 Next
  • SQL Interview Q & A
  • Testimonials
  • Search
  • Privacy Policy

© 2006 – 2025 All rights reserved. pinal @ SQLAuthority.com

Go to mobile version