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SQL SERVER – Reset the Identity SEED After ROLLBACK or ERROR

October 8, 2014
Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL Identity
I have been blogging for almost 8 years now. I believe I have seen pretty much every single kind of email and comments I can receive from users. However, there are sometimes few which just are so interesting that I feel like blogging about it. This blog post is written…
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MySQL – Scaling Existing Applications: Key Observations and Measurements

October 7, 2014
Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
MySQL, ScaleBase
In the earlier blog post we discussed about How to Create a Distributed Relational SQL Database, today we will continue to learn about Scaling Existing Applications: Key Observations and Measurements. In the use case of an existing application that is on the verge of reaching the limits of its monolithic…
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MySQL – How to Create a Distributed Relational SQL Database

October 6, 2014
Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
MySQL, ScaleBase
Distributed relational databases are a perfect match for Cloud computing models and distributed Cloud infrastructure. As such, they are the way forward for delivering new web scale applications. But how is the data distributed in a distributed relational database? What is the best way to distribute data for my applications?…
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SQL SERVER – How to Catch Errors While Inserting Values in Table

October 5, 2014
Pinal Dave
SQL, SQL Interview Questions and Answers, SQL Server, SQL Tips and Tricks
SQL Error Messages
Question: “I often get errors when I insert values into a table, I want to gracefully catch them, how do I do that.” Answer: Very simple. Just use TRY… CATCH. Here is the simple example of TRY…CATCH I have blogged earlier when it was introduced. Here is the example, I…
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SQL SERVER – How to Find Running Total in SQL Server

October 4, 2014
Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
Finding running total is one of the most popular request user encounters in the industry. There are two different ways to find out running totals. One of the methods is as per SQL Server 2008 R2 and earlier version. This is indeed a very expensive version of finding running total…
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SQL SERVER – GROUP BY Columns with XMLPATH – Comma Delimit Multiple Rows

October 3, 2014
Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL Scripts, SQL Server
This is one of the most popular question and I keep on getting again and again in email, Facebook and on social media. I have decided to write about it here in the blog so in future I can directly give a reference. Here is the question – there is…
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SQL SERVER – ​Building Technical Reference Library – Notes from the Field #048

October 2, 2014
Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
Notes from the Field, SQL Server Security
[Note from Pinal]: This is a 48th episode of Notes from the Field series. How do you build a technical reference library? In other word, when you need help how do you create your own reference so you do not have to go out to look for further help. There…
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