Earlier this week, I have blogged about how to suppress Warning: Null value is eliminated by an aggregate or other SET operation SQL SERVER – Warning: Null value is Eliminated by an Aggregate or Other SET Operation. Let us learn about the error STring or Binary Data would be truncated.Â
SQL SERVER – Warning: Null value is Eliminated by an Aggregate or Other SET Operation
Working with NULL’s are always a challenge – not many developers understand how NULL works sometimes. In a related note, long back I wrote below blog in which I explained two set options Quoted Identifier and ANSI NULL. SQL SERVER – QUOTED_IDENTIFIER ON/OFF and ANSI_NULL ON/OFF Explanation In future blogs,…
Read MoreSQL SERVER – The Basics of the Execute Package Task – Notes from the Field #067
[Note from Pinal]: This is a new episode of Notes from the Field series. SQL Server Integration Service (SSIS) is one of the most key essential part of the entire Business Intelligence (BI) story. It is a platform for data integration and workflow applications. In this episode of the Notes from the…
Read MoreSQL SERVER – Script to Find Leap Year
A leap year has 366 days. A leap year has 29 days for February month. Suppose you want to find if year is Leap year or not, you can use many methods. But this is one of the simplest methods. In our example I have passed the year 2000 as…
Read MoreSQL SERVER – Error: Fix for Error Msg 3906 – Failed to update database because the database is read-only
Some error messages are a great source of troubleshooting when things go wrong. I always request my blog readers to read what the error messages are conveying. Most of the solutions are very much documented as part of the message. I must agree that over the years the error messages…
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SQL SERVER – Viewing User Configurable Info in SQL Server
Most of the blog post as I say is revisiting something I wrote a while back in this blog. Recently one my blog readers asked me about user defined counters and he seems to have bumped into the blog: How to use Procedure sp_user_counter1 to sp_user_counter10 and was thinking if…
Read MoreInterview Question of the Week #006 – Is Shrinking Database Good or Bad?
Here is the most debated Interview Question – Is Shrinking Database Good or Bad? I will try to answer this in a single statement – “Shrinking Database is bad practice for performance as it increases fragmentation. It should be used in rare cases of running out of space on drive.” I believe above…
Read MoreSQL SERVER – What are the Different Ways to Script Procedure with T-SQL
Ever wondered how a simple task can be done multiple ways. You can script a stored procedure in many ways. You can use SSMS tool and use Generate Script option. However, if you want to do it in T-SQL, there are four ways. Let us create this simple procedure CREATE…
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SQL SERVER – One Trick of Handling Dynamic SQL to Avoid SQL Injection Attack?
SQL Server has so many things to learn and I always find it amazing. My conversations with customers often come up with security questions esp around SQL Injection. Many have claimed SQL Injection is a SQL Server problem. It takes quite some time for me to let them know there is nothing about SQL Server and SQL Injection. SQL Injection is an outcome of wrong coding practices. One of the recommendations I give is about not using Dynamic SQL. There might be some situations where you can’t avoid it. My only advice would be, avoid if possible. In this blog, I would demonstrate a SQL Injection problem due to dynamic SQL and a possible solution you can have.
SQL SERVER – Invoking a Stored Procedure from Azure Mobile Services – Notes from the Field #066
[Note from Pinal]: This is a 66th episode of Notes from the Field series. Azure Mobile Services is a very critical aspect and not many people know about it. When I read this article, I find it humorous at points and some of the examples also reminded me of my past experience. If you are in data security, you will have a great time reading these notes, but if you are not, you will still love it.