Just a day ago, while I was surfing Wikipedia about SQL Server, I came across this generic architecture image. I found it interesting. Click on image to view it in large size. The physical structure of the database is divided into the MDF and LDF. The part of MDF contains file group, data files, tables and indexes, extended and page. The LDF file contains a transaction log file. The physical architecture is about how the data is actually stored in the file system. Page, extend, database files are physical architecture.
SQL SERVER – 2005 – Dynamic Management Views (DMV) and Dynamic Management Functions (DMF)
Dynamic Management Views (DMV) and Dynamic Management Functions (DMF) return server state information that can be used to monitor the health of a server instance, diagnose problems, and tune performance. They can exactly tell what is going on with SQL Server and its objects at the moment.There are tow kinds…
Read MoreSQL SERVER – UDF – Remove Duplicate Chars From String
Few days ago, I received following wonderful UDF from one of this blog reader. This UDF is written for specific purpose of removing duplicate chars string from one large string. Virendra Chauhan, author of this UDF is working as DBA in Lutheran Health Network. CREATE FUNCTION dbo.REMOVE_DUPLICATE_INSTR (@datalen_tocheck INT,@string VARCHAR(255))…
Read MoreSQLAuthority Author Visit – IT Outsourcing to India – Top 10 Reasons Companies Outsource
Yesterday I had meeting with few of the leading outsourcing companies in Ahmedabad, India. Regular readers of this blog knows that I am currently in India handling large scale outsourcing assignment. My responsibilities includes managing application development, system architecture and database architecture. The purpose of meeting was to exchange the…
Read MoreSQL SERVER – Grouping JOIN Clauses In SQL
I always enjoy writing and reading articles about JOIN Clauses. One of my friend and the best ColdFusion Expert Ben Nadel has written good article about SQL JOINs. There are few interesting comments as well at the end of article. “JOIN grouping is pretty powerful and can get you out…
Read MoreSQL SERVER – Q and A with Database Administrators
I have been in India for more than a month now, as I am leading a very large outsourcing project. We have conducted few interviews since the project required more Database Administrators and Senior Developers. I am listing few of the questions discussed during all the interviews. The whole event…
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