I have received following questions. I will list all the questions here and answer them together.
What is the purpose of Master database?
SQL SERVER – Business Intelligence (BI) Basic Terms Explanation
Business Intelligence Business intelligence is a method of storing and presenting key enterprise data so that anyone in your company can quickly and easily ask questions of accurate and timely data. Effective BI allows end users to use data to understand why your business go the particular results that it…
Read MoreSQL SERVER – Disable All Triggers on a Database – Disable All Triggers on All Servers
Just a day ago, I received question in email regarding my article SQL SERVER – 2005 Disable Triggers – Drop Triggers. Question : How to disable all the triggers for database? Additionally, how to disable all the triggers for all servers? Answer: Disable all the triggers for a single database:…
Read MoreSQL SERVER – 2008 – Server Consolidation WhitePaper Download
Server Consolidation with SQL Server 2008 Writer: Martin Ellis Reviewer: Prem Mehra,Lindsey Allen, Tiffany Wissner, Sambit Samal Published: March 2009 Microsoft SQL Server 2008 supports multiple options for server consolidation, which provides organizations with the flexibility to choose the consolidation approach that best meets their requirements to centralize data services…
Read MoreSQL SERVER – 2005 – Get Current User – Get Logged In User
Interesting enough Jr. DBA asked me how he can get current user for any particular query is ran. He said he wants it for debugging purpose as well for security purpose. I totally understand the need of this request. Knowing the current user can be extremely helpful in terms of…
Read MoreSQL SERVER – Deterministic Functions and Nondeterministic Functions
Deterministic functions always returns the same output result all the time it is executed for same input values. i.e. ABS, DATEDIFF, ISNULL etc. Nondeterministic functions may return different results each time they are executed. i.e. NEWID, RAND, @@CPU_BUSY etc. Functions that call extended stored procedures are nondeterministic. User-defined functions that…
Read MoreSQL SERVER – 2005 – Forced Parameterization and Simple Parameterization – T-SQL and SSMS
SQL Server compiles query and saves the procedures cache plans in the database. When the same query is called it uses compiled execution plan which improves the performance by saving compilation time. Queries which are parametrized requires less recompilation and dynamically built queries needs compilations and recompilation very frequently. Forced…
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SQL SERVER – Simple Example of WHILE Loop With CONTINUE and BREAK Keywords
I have tried to explain the usage of simple WHILE loop in the first example. BREAK keywords will exit the stop the while loop and control is moved.
SQL SERVER – Get Permissions of My Username / Userlogin on Server / Database
A few days ago, I was invited to one of the largest database company. I was asked to review database schema and propose changes to it. There was special username or user logic was created for me, so I can review their database. I was very much interested to know what kind of permissions I was assigned per server level and database level. I did not feel like asking their Sr. DBA the question about permissions.
SQL SERVER – Difference Between @@Version and xp_msver – Retrieve SQL Server Information
Just a day ago, I was asked which SQL Server version I am using. I said SQL Server 2005. However, the person I was talking was looking for more information then that. He requested more detail about the version. I responded with SQL Server 2005 Service Pack 2. After the…
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