It is fun working with SQL/Application developer where you exchange a lot of technical thoughts to find the root of the issues. Recently, one of the developers optimized the OLTP system stored procedure by putting the query hint OPTION (FAST ‘N’). But, he was not sure enough about the drawback of the query hint. So, he […]
New Built-in Function CONCAT_WS() – SQL Server 2017
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In my previous post on new functions in SQL Server 2017, I discussed about the STRING_AGG function. Here, I am going to discuss about the function CONCAT_WS. This function concatenates a variable number of arguments with a delimiter specified in the first argument. Syntax for the function CONCAT_WS ( separator, argument1, argument1 [, argumentN]… ) […]
New Built-in Function STRING_AGG() – SQL Server 2017
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SQL Server 2017 introduces a set of useful functions like STRING_AGG(), STRING_SPLIT(), TRIM()… and many more. In this tip, I am going to discuss one of the built-in aggregate functions – “STRING_AGG()”. The function concatenates values from rows as one value with a separator, and the main advantage is it doesn’t add the separator at the […]
Who installed SQL Server?
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Recently, I was working with the team and got stuck up with SQL Server Installation information. We got an urgent requirement to patch the physical box from Windows team. As the server was not in production, so the server entry was missing. Since Windows team wanted to take action on it as soon as possible, […]
Capture SQL Server Reported Errors using Extended Events
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In my introduction to Extended Events blog, I mentioned that the xEvent is my favorite toy for performance troubleshooting. This blog may make you to start playing with it. In this tip, I will be discussing how you can find what caused SQL Server to write error in the Errorlog file. Problem: One of the clients reported that […]
Extended Event Packages
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I continue blogging on extended events. Today, I will discuss about the top level containers (Package) that gives access to one or more smaller items inside of extended Events Extended Event Packages Definition In the Extended Events Engine, Packages are registered inside the modules and contain the information about what Extended Events objects the module […]
Mapping SQL Trace to Extended Events
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Since I started actively participating in SQL community, I found it is very common that people will approach to seek help on their SQL related issues. I do love to help people because it is always a win and win situation for both of us. Recently, I had a phone conversation with one of the […]
How to Get Estimated Completion Time of SQL Server Database Backup OR Restore
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“How much time SQL Server is going to take to complete the database Backup or Restore” – This is one of the very common questions DBAs face in day to day life when they are performing database refresh activity, database migration activity, or any adhoc activity where DBA may want to have a DB backup […]
Introduction to Extended Events
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Since I started playing with Extended Events, it has been my favorite toy for performance troubleshooting. It was introduced in SQL Server 2008, and it provides a very rich method of collecting diagnostic data from SQL Server. You can get in-depth detailed information using extend event for troubleshooting which was never possible with SQL Trace. […]
SQL Operation Studio Tool
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Microsoft finally has launched most awaited tool – SQL Operation Studio (aka OpsStudio)!!! SQL Operation studio is a lightweight open source multi-os and multi-RDBMS tool. It provides a modern & intuitive database management experience on their platform of choice to DBAs, Developers, and Sysadmins. It also simplifies configuration, management and monitoring and troubleshooting for SQL […]