SQL Server Performance Tuning Expert - SQL Authority with Pinal Dave

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.

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.

An Index Reduces Performance of SELECT Queries (Video)
3 Common Mistakes to Kill SQL Server Performance (Video)
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For SQL Server Emergency Help, you can reach out to me at pinal@sqlauthority.com with words URGENT in the email subject line for other services mention “Comprehensive Database Performance Health Check“.

Mar30

SQL SERVER – How to Query Active Directory Data Using ADSI / LDAP Linked Server

Pinal Dave

SQL Tips and Tricks

SQL Scripts, SQL Server

There are situations when you need to integrate SQL Server with other product. Once of the classic example was seen during my last visit to a client. They wanted list of email addresses and phone numbers for all users in the company to be fetched by Active Directory. I have told them that SQL can read that data via linked server. Here are the steps to learn how to query active directory data.

Mar29

SQL SERVER – How to Add Multiple New Columns to Table with Default Values?

Pinal Dave

SQL Tips and Tricks

SQL Scripts, SQL Server, SQL Table Operation

This is a follow up blog post of my earlier blog post on the same subject. You can read my earlier blog post over here. I recently received an email where a user asked how to add more than one new column to an existing table with a default value. Very interesting and simple question. Honestly, I love simple questions as they are the most needed by users. So here is the question – “How to Add Multiple New Columns to Table with Default Values?”. Now let us try to solve this question with the help of an example.

Mar28

MySQL – How to Drop Table If Exists in Database?

Pinal Dave

SQL

MySQL, SQL Table Operation

No Comments

In this post SQL Server – 2016 – T-SQL Enhancement “Drop if Exists” clause, we have seen the new feature introduced in SQL Server version 2016. One of my friends recently asked me question that how to drop table in exists in MySQL database? It was not surprising to see that not many people know about the existence of this feature. MySQL already has this feature for a while and if you are MySQL DBA, you may find it interesting that SQL Server just introduced this feature.

Mar27

What is a Self Join? Explain with Example – Interview Question of the Week #064

Pinal Dave

SQL Interview Questions and Answers

SQL Joins, SQL Scripts, SQL Server

A very popular question I often see in the interviews of developers. It does not matter if you are a SQL developer, .NET developer, JAVA developer or Python Developer, this question is always popular in any interviews. The question is about join in the SQL and it is about SELF JOIN.

Question: What is a Self Join?

Mar26

SQL SERVER – Patch Upgrade – Failed to connect to server. Error: 0x80070422

Pinal Dave

SQL Tips and Tricks

SQL Connection, SQL Error Messages, SQL Server

No Comments

One of my recent interaction with a client was to assist in performing Upgrade the SQL Server 2008 R2 with service pack 2. As usual, I asked for setup logs from C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\ folder. There were multiple folders so I asked the one which corresponds to the time of failure. Let us see exposure how we can solve error Error: 0x80070422.

Mar25

MySQL – ELT() and FILED() Functions to Extract Index Position From List

Pinal Dave

SQL Tips and Tricks

MySQL, SQL Function, SQL String

No Comments

MySQL supports some functions that can be used to extract the index position or the actual value from a set of values arranged as an array. ELT() and FIELD() are example of such functions. Let us understand about them in details.

Mar24

“I Don’t Know” – DBAs Should Learn to Use This Phrase – Notes from the Field #119

Pinal Dave

SQL Tips and Tricks

Career Advice, Notes from the Field

[Note from Pinal]: This is a 119th episode of Notes from the Field series. If you know Mike Walsh, he is an amazing person to meet and know. He is technical expert, but along with that he is a true life coach. I am fortunate to be his friend. Every single time I meet him, I learn something as a human. In this episode Mike explains one of the most important things any DBAs should learn, which is to say “I Don’t Know”.

In this episode of the Notes from the Field series database expert Mike Walsh gives a challenge to all of us. He explains to us why we should study our mistakes. He is indeed very right that every mistake gives us opportunity to correct ourselves.

Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 24 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.