All Articles - SQL Authority with Pinal Dave

MySQL – Get Latest Identity Value by Inserts

November 16, 2015

In SQL Server, whenever you add data to a table that has an identity column, you can get the lastly generated identity value using @@identity or scope_identity(). Similarly, in MySQL you can make use of LAST_INSERT_ID () function Let us create the following dataset Create table test(id int AUTO_INCREMENT NOT…

Interview Question of the Week #045 – How to Do Case Sensitive Search?

November 15, 2015

Pinal Dave

SQL, SQL Interview Questions and Answers, SQL Server, SQL Tips and Tricks

One of my popular questions which helps me to understand lots of understanding of SQL by SQL developer. Question: How doing a case sensitive search in SQL Server? Answer: If Column1 of Table1 has following values ‘CaseSearch, casesearch, CASESEARCH, CaSeSeArCh’, following statement will return you all the four records. SELECT…

SQL SERVER – Installation Failed With Error – Wait on the Database Engine Recovery Handle Failed

November 14, 2015

Pinal Dave

SQL

SQL Error Messages, SQL Server, SQL Server Installation

You might have seen on Facebook that I have completed the new setup of my machines. Since I use VMs to do my tests. To have a domain, I made a VM as domain controller and another as a member server. Next step was to install SQL Server and by mistake, I have run the setup of SQL on a domain controller. As per Microsoft documentation they don’t recommend installing SQL on the domain controller and there is a warning in SQL Setup. Let us learn about how to fix Installation Failed With Error.

SQL SERVER – Backup to Azure Blob error – The remote server returned an error: (409) Conflict

November 13, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages

Cloud is inevitable. With various innovations happenings in this area, SQL Server is not left behind. It is becoming a first class citizen when it comes to moving to cloud. In the past couple of releases, we have been seeing the enhancements of integrating with Azure getting stronger. Last year…

SQL SERVER – What is T-SQL Window Function Framing? – Notes from the Field #102

November 12, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Notes from the Field, SQL Function

[Note from Pinal]: In this episode of the Notes from the Field series database expert Kathi Kellenberger explains about T-SQL Over clause. Kathi is an amazing instructor, she was the SQL author I have read in my early career. The reason, I love SQL Server because her writing has instigated love for this…

SQL SERVER – What is SQL Server Operating System?

November 11, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Sometimes the strangest of questions come from unusual places. This blogging journey is all about revisiting the basics. I have always felt getting some of these basic questions can make us learn even more and look into the internals of how products work. In my recent visit to SQLPass and…

SQL SERVER – Understanding SQL Server Setup Support Rules for Cluster Nodes

November 10, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Server clustering is one of the oldest and most used techniques when it comes to developing a highly available configuration. Though this has been used by many for years, there are nuances that comes up once in a while if you are a junior DBA that you would like…

SQL SERVER – Save and Send Execution Plan Via Email

November 9, 2015

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Server Management Studio

Here is an interesting question, I received the other day. Hi Pinal, I have a very big graphical execution plan and I want to send it to my friend. My first thought was to send him query to execute on his own machine, but he does not have the same…

Interview Question of the Week #044 – What is the difference of performance between SELECT and SET?

November 8, 2015

Pinal Dave

SQL, SQL Interview Questions and Answers, SQL Server, SQL Tips and Tricks

SQL Scripts

Question: What is the difference of performance between SELECT and SET? Answer: SELECT : Designed to return data. SET : Designed to assign values to local variables. While testing the performance of the following two scripts in query analyzer, interesting results are discovered. SET @foo1 = 1; SET @foo2 =…

SQL SERVER – How to Suppress SQL Server messages in Application Event Log

November 7, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages

Error messages are a great source of help when it comes to troubleshooting. What can I say, this is maybe be the most repeated phrase from me in this blog about error messages. The messages have grown over ages and got better with the SQL Server dev team putting in…