Shuttle Endeavor last mission STS-134: I felt the shockwave
I witnessed a piece of history today at 8:56am; the last voyage of shuttle Endeavor on its STS-134 mission. It was...
2011-05-16
634 reads
I witnessed a piece of history today at 8:56am; the last voyage of shuttle Endeavor on its STS-134 mission. It was...
2011-05-16
634 reads
Frequently, when working with strings you will need to identify, insert or remove spaces before, after or in between characters.
For example, you may...
2011-05-11
3,694 reads
The T-SQL UPPER() command allows you to change a lowercase string to an uppercase string.
For example, it will allow you to change the word...
2011-04-05
1,701 reads
The T-SQL LOWER() command allows you to change an uppercase string to a lowercase string.
For example, it will allow you to change the word...
2011-04-02
879 reads
Recently I came across a very specific requirement for a Data Warehouse project for one of our customers. Due to...
2011-04-01
543 reads
When deploying or processing a cube or dimension you may encounter an error similar to this:
Errors in the metadata manager. The...
2011-03-22
1,247 reads
While working on a recent project for a customer that involved importing both Excel 97-2003 and Excel 2007/2010 files, I was...
2011-03-21
1,276 reads
What are the differences between Merge and Union All transformations in SSIS ?
The first and most obvious difference is that Merge...
2011-03-03
1,460 reads
By Steve Jones
A friend was asking for help with some data analysis. This was in PowerBI,...
I am responding late to a T-SQL Tuesday invite from John Sterrett. John’s call...
It’s been forgotten about and neglected for few years but I’ve decided to dust...
Comments posted to this topic are about the item How a Legacy Logic Choked...
Comments posted to this topic are about the item People Make Odd Choices
Comments posted to this topic are about the item SQL Server 2022 Clusterless Distributed...
For the Question of the day, I am going to go deep, but try to be more clear, as I feel like I didn't give enough info last time, leading folks to guess the wrong answer... :) For today's question: You’re troubleshooting a performance issue on a critical stored procedure. You notice that a previously efficient query now performs a full table scan instead of an index seek. Upon investigating, you find that an NVARCHAR parameter is being compared to a VARCHAR column in the WHERE clause. What is the most likely cause of the query plan regression?
See possible answers