Sr. Developer in my organization asked me the following question about WHERE clause.
Question: Does the order of conditions matter in WHERE clause?
SQL SERVER – PIVOT and UNPIVOT Table Examples
I previously wrote two articles about PIVOT and UNPIVOT tables. I really enjoyed writing about them as it was interesting concept. One of the Jr. DBA at my organization asked me following question. “If we PIVOT any table and UNPIVOT that table do we get our original table?” I really…
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SQL SERVER – Compound Assignment Operators – A Simple Example
SQL SERVER 2008 has introduced new concept of Compound Assignment Operators. Compound Assignment Operators are available in many other programming languages for quite some time. Compound Assignment Operators is operator where variables are operated upon and assigned on the same line.
SQL SERVER – Create a Comma Delimited List Using SELECT Clause From Table Column
I received following question in email : How to create a comma delimited list using SELECT clause from table column?
SQL SERVER – Example of DISTINCT in Aggregate Functions
Just a day ago, I was was asked this question in one of the teaching session to my team members. One of the member asked me if I can use DISTINCT in Aggregate Function and does it make any difference. Of course! It does make difference. DISTINCT can be used…
Read MoreSQL SERVER – Order Of Column In Index
I just found one of my Jr. DBA to create many indexes with lots of column in it. After talking with him I found out that he really does not understand how really Index works. He was under impression that if he has more columns in one index, that index…
Read MoreSQL SERVER – SQL SERVER – UDF – Get the Day of the Week Function – Part 4
I have been asked many times when there is DATENAME function available why do I go in exercise of writing UDF For the getting the day of the week. Answer is : I just like it! SELECT DATENAME(dw, GETDATE()) Reference : Pinal Dave (https://blog.sqlauthority.com)
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