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Jun19

Understanding SQL Server Deadlocks: A Beginner’s Guide

Pinal Dave
SQL Performance
Deadlock, SQL DMV
5 Comments

Welcome to this introductory blog post on SQL Server Deadlocks. In this post, we’ll help you understand what deadlocks are, and how they occur.

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Jun16

SQL SERVER Challenge – Cumulative Total Calculation

Pinal Dave
SQL Interview Questions and Answers
Challenge, CTE, Ranking Functions, SQL Scripts, SQL Sub Query
2 Comments

Today we will see a very interesting SQL SERVER Challenge about Cumulative Total Calculation. During a recent Comprehensive Database Performance Health Check.

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Jun15

SQL SERVER – Difference Between ISNULL and COALESCE

Pinal Dave
SQL Tips and Tricks
COALESCE, SQL NULL, SQL Server
1 Comment

SQL Server provides two commonly used functions, ISNULL and COALESCE, to address this requirement. Difference Between ISNULL and COALESCE

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Jun14

50 Minutes vs. 4 Hours for Database Performance Health Check

Pinal Dave
SQLAuthority News
Consultation, SQL Performance
No Comments

the On-Demand (50 Minutes) consultation and the Comprehensive Database Performance Health Check (4 Hours).

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Jun13

Reflections on Fireside Chat about Future of MySQL

Pinal Dave
SQLAuthority News
Idera, MySQL
No Comments

I had the honor of participating in the Fireside Chat organized by Idera, where the discussion revolved around many different topics.

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Jun12

SQL SERVER – Count Occurrences of a Specific Value in a Column

Pinal Dave
SQL Interview Questions and Answers
SQL Group By, SQL Server
No Comments

Here is the exact question – How to Count Occurrences of a Specific Value in a Column? Well, honestly, the answer is very simple.

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Jun9

Unveiling Behavior-Driven Development (BDD): Bridging the Gap Between Business and Testing

Pinal Dave
SQL Tips and Tricks
BDD, Testing
No Comments

Two prominent approaches that have gained significant attention are Test-Driven Development (TDD) and Behavior-Driven Development (BDD).

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Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 22 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.

Pinal has authored 14 SQL Server database books and 100 Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.

Pinal is an experienced and dedicated professional with a deep commitment to flawless customer service. If you need help with any SQL Server Performance Tuning Issues, please feel free to reach out at pinal@sqlauthority.com.

Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).


Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.


Comprehensive Database Performance Health Check

Is your SQL Server running slow and you want to speed it up without sharing server credentials? In my Comprehensive Database Performance Health Check, we can work together remotely and resolve your biggest performance troublemakers in less than 4 hours.

Once you learn my business secrets, you will fix the majority of problems in the future.


SQL Server Performance Tuning Practical Workshop

Have you ever opened any PowerPoint deck when you face SQL Server Performance Tuning emergencies? SQL Server Performance Tuning Practical Workshop is my MOST popular training with no PowerPoint presentations and 100% practical demonstrations.

Essentially I share my business secrets to optimize SQL Server performance.

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