Introduction: SQL Server Query Optimization
Database tuning
is one of the high business need. A market research says just one second delay
in page load can cause 7% loss in customer conversion.
There is no need to
explain why tuning is so important aspect to develop an
application. Now a day most of the applications deal with
large volume of data. Unfortunately, database tuning has become one of
the complex and challenging task of the application development. A single
small mistake can degrade the database performance up to
90%!! A database developer has a lot of confusion regarding
which one is the best approach. One of the root cause of the complexity
of database tuning is query processing is very much hidden. Here our goal
is to explain the complex query tuning process in very simple way that every one can understand it easily. It keeps a lot of real world examples and scenario
which we generally come across during the application development. I am
very much sure after reading this post you will say I can tune queries and
database. 
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