SQL SERVER – Interesting Observation of DMV of Active Transactions and DMV of Current Transactions

This post is about a riveting observation I made a few days back. While playing with transactions I came across two DMVs  that are associated with Transactions. 1) sys.dm_tran_active_transactions – Returns information about transactions for the instance of SQL Server. 2) sys.dm_tran_current_transaction – Returns a single row that displays the…
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SQL SERVER – Transaction and Local Variables – Swap Variables – Update All At Once Concept

This article is inspired from two sources. Let us learn today about how to swap variables by updating everything at once concepts.

1) My year old article – SQL SERVER – Effect of TRANSACTION on Local Variable – After ROLLBACK and After COMMIT
2) Discussion with SQL Server MVP – Jacob Sebastian – SQLAuthority News – Author Visit – SQL Hour at Patni Computer Systems

I usually summarize my article at the end, but this time let me summarize first and we will understand the article next.

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SQL SERVER – Detailed Explanation of Transaction Lock, Lock Type, Avoid Locks

Loyal reader of this blog and “Great SQL Expert” Imran Mohammed always have good attitude towards any problem. Many times his answers very interesting to read and details are very accurate. I came across his two interesting comment on this blog and I would like to share this all of…
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SQL SERVER – Two Connections Related Global Variables Explained – @@CONNECTIONS and @@MAX_CONNECTIONS

Few days ago, I was searching MSDN and I stumbled upon following two global variables. Following variables are very briefly explained in the BOL. I have taken their definition from BOL and modified BOL example to displayed both the global variable together. @@CONNECTIONS Returns the number of attempted connections, either…
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SQL SERVER – Fix : Error: 3902, Severity: 16; State: 1 : The COMMIT TRANSACTION request has no corresponding BEGIN TRANSACTION.

SQL Server Integration Services Error : The COMMIT TRANSACTION request has no corresponding BEGIN TRANSACTION. (Microsoft OLE DB Provider for SQL Server) Fix/Workaround/Solution: Option 1: To work around this problem, do not call the stored procedure by using ODBC Call syntax. You can call the stored procedure in may ways…
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