SQL Tips and Tricks Archives - Page 330 of 536 - SQL Authority with Pinal Dave

SQL SERVER – PREEMPTIVE and Non-PREEMPTIVE – Wait Type – Day 19 of 28

February 19, 2011

In this blog post, we are going to talk about a very interesting subject. I often get questions related to SQL Server 2008 Book-Online about various Preemptive wait types. I got a few questions asking what these wait types are and how they could be interpreted. To get current wait…

SQL SERVER – LOGBUFFER – Wait Type – Day 18 of 28

February 18, 2011

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Scripts, SQL Wait Stats

At first, I was not planning to write about this wait type. The reason was simple- I have faced this only once in my lifetime so far maybe because it is one of the top 5 wait types. I am not sure if it is a common wait type or…

SQL SERVER – Introduction to Adaptive ETL Tool – How adaptive is your ETL?

February 17, 2011

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Business Intelligence, ETL, SSIS

I am often reminded by the fact that BI/data warehousing infrastructure is very brittle and not very adaptive to change. There are lots of basic use cases where data needs to be frequently loaded into SQL Server or another database. What I have found is that as long as the sources…

SQL SERVER – WRITELOG – Wait Type – Day 17 of 28

February 17, 2011

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Scripts, SQL Server, SQL Wait Stats

WRITELOG is one of the most interesting wait types. So far we have seen a lot of different wait types, but this log type is associated with log file which makes it interesting to deal with.

SQL SERVER – Guest Post – Jonathan Kehayias – Wait Type – Day 16 of 28

February 16, 2011

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

MVP, SQL Wait Stats

Jonathan Kehayias (Blog | Twitter) is a MCITP Database Administrator and Developer, who got started in SQL Server in 2004 as a database developer and report writer in the natural gas industry. After spending two and a half years working in TSQL, in late 2006, he transitioned to the role…

SQL SERVER – LCK_M_XXX – Wait Type – Day 15 of 28

February 15, 2011

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Server, SQL Wait Stats

Locking is a mechanism used by the SQL Server Database Engine to synchronize access by multiple users to the same piece of data, at the same time. In simpler words, it maintains the integrity of data by protecting (or preventing) access to the database object. From Book On-Line: LCK_M_BU Occurs…

SQL SERVER – BACKUPIO, BACKUPBUFFER – Wait Type – Day 14 of 28

February 14, 2011

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Wait Stats

Backup is the most important task for any database admin. Your data is at risk if you are not performing database backup. Honestly, I have seen many DBAs who know how to take backups but do not know how to restore it. (Sigh!) In this blog post we are going…