SQL Tips and Tricks Archives - Page 102 of 536 - SQL Authority with Pinal Dave

SQL SERVER 2016 – InMemory OLTP support for Foreign Key

January 19, 2016

When InMemory OLTP was introduced in SQL Server 2014, there were a number of limitations that restricted customers to effectively use the capability. One of the most commonly asked capability was around the ability to create Foreign Keys. On first look, I thought this was always available. But while experimenting…

Interview Question of the Week #054 – Retrieve User Defined Object Details from sys.objects

January 17, 2016

Pinal Dave

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

SQL System Table

Sometimes questions in the interview are extremely open ended and such questions can be very useful for candidate to play around with. For example, in one of the recent interview one of the interviewer asked the candidate that what is his favorite T-SQL script as a database administrator. The answer…

SQL SERVER – Performance counter missing! DMV sys.dm_os_performance_counters is Empty

January 16, 2016

Pinal Dave

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

The topic around performance tuning is the most sought out search on this blog. Almost every single day the top search that lands here are around performance or around some random errors one might receive from the application. If you are a DBA, the first high level tool that you…

SQL SERVER – Starting / Stopping SQL Server Agent Services using PowerShell

January 15, 2016

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Powershell

Writing utility scripts are one way to become smarter when working with computers. From time to time I get asked about some tasks folks use repetitively and are being counterproductive. On this note, I wanted to paint a scenario which I saw one of the DBA’s doing on their environment…

SQL SERVER – Live Query Statistics in 2016 … and More! – Notes from the Field #111

January 14, 2016

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Notes from the Field, SQL Function, SQL Server

[Note from Pinal]: In this episode of the Notes from the Field series database expert Mike Lawell explains about Live Query Statistics in SQL Server 2016. Statistics are heart of SQL Server. They play a very powerful role when SQL Server Engine needs help to build a new execution plan for a query. In earlier version of SQL Server we had the only privilege to see statistics after the query is executed. However, with the advancement of SQL Server 2016, the scenario has been changed. Here is a very interesting new feature of SQL Server 2016 which can help every performance tuning expert. Read the experience of Mike in his own words.

SQL SERVER – System.IO.FileNotFoundException: Could not load file or assembly

January 13, 2016

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages

In a recent R&D operation, I was trying to use some SQLCLR assembly as part of the installation process. It was not easy but it got me into a mess that I thought was worth debugging. One of the interesting issues which I faced recently was to deploy a .net…

SQL SERVER – Working with Event Viewer and PowerShell

January 11, 2016

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Powershell

Sometimes I go into these simple explorations that make me learn something new that gets me off the routine. SQL Server is always on the agenda and that passion will never die. This exploration was based on the fact when I was talking to someone about some of the super…