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error 21

SQL SERVER – Fix: The operating system returned error 21(The device is not ready.)

August 15, 2020
Pinal Dave
SQL
Computer Network, SQL Error Messages, SQL Server

The client was in very much panic as they were getting the following error – The operating system returned error 21(The device is not ready.)

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negative identity

Negative Identity Column – SQL in Sixty Seconds #101

August 14, 2020
Pinal Dave
SQL Video
SQL Identity, SQL in Sixty Seconds, SQL Performance, SQL Scripts, SQL Server

I had a very interesting story to tell about a negative identity column from my recent Comprehensive Database Performance Health Check. 

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patch your SQL

Patch Your SQL Server – SQL in Sixty Seconds #100

August 13, 2020
Pinal Dave
SQL Tips and Tricks
Cumulative Update, SQL in Sixty Seconds, SQL Patch, SQL Server, SQL Service Pack

When did you last time patch your SQL Server? I often discuss this question with my clients, I get many different kinds of answers.

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Parallel Queries

List All Parallel Queries – SQL in Sixty Seconds #098

August 12, 2020
Pinal Dave
SQL Video
CPU Scheduler, CPU Threads, Parallel, SQL CPU, SQL in Sixty Seconds, SQL Scripts, SQL Server

During the recent Comprehensive Database Performance Health Check, my client asked me if I have a query which can list all the parallel queries.

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Join or Inner Join

Keyword Join or Inner Join – SQL in Sixty Seconds #099

August 11, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds, SQL Joins, SQL Performance, SQL Server

Have you ever wondered what is the difference between keyword Join or Inner Join? Are they same or different? If different, how are they different?

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get rowcount

How to Get Rowcount of Every Table in SSMS? – Interview Question of the Week #288

August 9, 2020
Pinal Dave
SQL Interview Questions and Answers
SQL Server, SQL Server Management Studio, SQL Table Operation, SSMS

Question: How to Get Rowcount of Every Table in SSMS?

Answer: After watching my earlier video on the fastest way to get the rowcount for the table,

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Alter Index

Alter Index Add Column – Workaround – SQL in Sixty Seconds #097

August 8, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds, SQL Index, SQL Scripts, SQL Server, SSMS

However, while modifying it we faced a unique challenge that we can’t actually alter index to add columns. Let us discuss that today.

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