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SQL SERVER – Installation Fails With Error – A Constraint Violation Occurred
In my recent past, I have helped around 10 customers who have had similar problems while installing SQL Server Cluster on windows. So I thought it would be a nice idea to pen it down as a blog post so...
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SQL SERVER – A Timeout (30000 milliseconds) was Reached While Waiting for a...
Recently I was contacted by a client who reported very strange error in the SQL Server machine. These consulting engagements sometimes get the best out of you when it comes to troubleshooting. They...
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Database Sharding – How to Identify a Shard Key?
I have written a number of posts in the past working on shared databases and the concepts around these can be read at Sharding or No Sharding of Database – Working on my Weekend Project for the...
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SQL SERVER – False Error – Cannot bulk load because the file could not be...
Yes, it’s possible that SQL Server can raise false and misleading error. I was trying to do some pretty straight forward stuff – import data from text file to SQL table using the BULK INSERT command of...
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SQL SERVER – Backup to URL Fails in Azure Resource Manager (ARM) Deployment...
During my previous consulting engagement, I learned something new with SQL Server feature called back up to the URL. Since it was not so clearly documented, I am sharing this with you. In this blog...
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SQL SERVER – SSMS Error During Restore: No Backupset Selected to be Restored
There are various ways of learning in my current role. Along with client engagements, reading others blog, I also learn from comment/interaction of my own blog. One of my blog readers sent below email...
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SQL SERVER – Understanding Basic Memory Terms of Physical Memory and Virtual...
Recently I had been to an institute to talk about some database concepts to computer science students. Most of these academic engagements get me closer to young minds and this is an awesome way for me...
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SQL SERVER – Summer Sale and Monowheel Raffle
My good old friends from Devart keep exciting me with great news. As it became a tradition, the company treats its customers with “tasty” discounts on all its product range. But there’s more – each...
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SQL SERVER – Script level upgrade for database ‘master’ failed because...
Recently once by my client contacted via Skype to know my thoughts about a cluster failover failure issue. They were having two nodes SQL Clustered instance and it was running fine of Node1. As soon as...
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SQL SERVER – Fix Error – Cannot use the backup file because it was originally...
Here is a recent email which I received from Madhu. He is a beginner in the SQL Server and when he tried to take a backup from SSMS (SQL Server Management Studio), he got error related to backup file....
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SQL SERVER – GetRegKeyAccessMask : Could Not Get Registry Access Mask For...
I have been getting many requests from my HIRE-ME page and a few of them are getting change to my blog. This is the outcome of one of my clients who was having a strange issue. They were having 2 nodes...
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SQL SERVER – Whitepaper – Optimizing SQL Server Network Performance
I have blogged before regarding how to Identify Application vs Network Performance Issues using SQL Server Dynamic Management Views (DMV). You do have some further diagnostics as well as optimizations...
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SQL SERVER – Database Disaster Recovery Process
Many SQL Server DBAs are from time to time confronted with a disaster caused by unintentional or malicious changes on their database. Whatever the nature or intention of these changes are, they can...
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SQL SERVER – Delete All Waiting Workflows in MSCRM to Speed Up Microsoft...
Last week, during performance tuning consultancy, I faced a very interesting situation when customer’s Microsoft Dynamics CRM was extremely slow. After quickly researched we found that they have a very...
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SQL SERVER – Find Week of the Year Using DatePart Function
As I blog every single day, lots of people ask me if I have to build a calender for the same. The answer is yes, I do not have a personal calender and I keep a note of all the ideas in the calender....
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SQL SERVER – Understanding How to Play With Row Constructor
Every version of SQL Server brings in something new that challenges our understanding of how the software product works. For me, working with SQL Server is quite refreshing and fulfilling because every...
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SQL SERVER – Database Backup and Restore Job Management
ApexSQL Backup is a tool for Microsoft SQL Server, intended for database backup and restore job management. The application supports all native SQL Server backups (full, differential and transaction...
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SQL SERVER – FIX Error 18456, Severity: 14, State: 5. Login failed for user
Some errors are historic and have the most common root cause. Sometimes we really don’t know why they happen and I have seen clients go nuts to identify the real reason for the problem. In a recent...
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SQL SERVER – Setup Screen Not Launching While Updating a Patch
This is one of the client contacts where I realized the importance of looking at right log file. The client said that he double clicks the.exe, a window flash by and disappears. It looked like...
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MySQL – Fix Error – WordPress Database Error Duplicate Entry for key PRIMARY...
As many of you know that this blog runs on WordPress and under the hood of WordPress there is a MySQL database. MySQL database is quite good and is able to hold massive traffic this blog receives every...
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