SQL Tips and Tricks Archives - Page 109 of 536 - SQL Authority with Pinal Dave

SQL SERVER – What is SQL Server Operating System?

November 11, 2015

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…

SQL SERVER – How to Change SQL Server Product Key or License Key?

November 6, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

I try to refrain from talking about licensing related topics because they seem to be complicated and have tons of permutations and combinations. Having said that, in the recent past, I was baffled to see this query land to my Inbox which was interesting and needed some attention from me.…

MySQL – Different Methods to Know MySQL Version

November 5, 2015

Pinal Dave

SQL, SQL Tips and Tricks

MySQL

In SQL Server, to know the current version of the server, you can use system variable @@VERSION How many of you know that the same can be used in mysql to know the version? Also there are many ways to know the version of MySQL Method 1: Select @@version as…