It has been a while we have seen a puzzle on this blog and I keep on receiving emails and comments that you all would love to see one more puzzle. Let us see a new puzzle “Incorrect Results with Decimal”.
There are many times when a DBA should work like a detective and find the cause of the issue which is reported by various teams. Sometimes it is an application team, sometimes an infrastructure team and sometimes its own learning. I always believe looking at the data points and finally connect the dots to make a story. Let us learn about why we have audit trace in the data folder.
When you see something not behaving the way normal way, either it must be magic or in software terms it is an error or bug. This blog was inspired by someone who caught me unaware with this challenge that it took me by surprise. I didn’t know how to solve it and it took me close to 10 mins before realizing what was happening behind the scenes. Let us see the puzzle about Why does sp_spaceused Show No Values?
Over the years, every time I have worked with Date and time data types, I have learnt something new. There are always tons of tight corners where a number of exceptions happen. Though these are known, for someone who is new, this would take them by surprise and your design decisions can have a larger impact on the output that you are likely to get. These can cause a considerable business impact and compliance if we get stuff wrong. Let us see a puzzle about Date Data Types.
Last week we had amazing time with an interesting puzzle about Datetime. You can see the puzzle over here. The puzzle was extremely well received and lots of people asked me to bring another puzzle which can help us learn something new. Looking at the request of everyone, here is another very simple puzzle with Date Format.
I am preparing for a professional tour of Europe wherein I am planning to meet a number of customers as part of consulting and performance tuning assignments that I have agreed in early October. I am already swamped with the requests and I think the learning experience is second to none when one gets to work on global projects. Let us an interesting puzzle.
Some puzzles come as legacy and a great way to do sometimes interviews. In the past, I have written some innovative solutions when it comes to splitting strings inside SQL Server. One of them is at: SQL SERVER – Split Comma Separated List Without Using a Function. Though this is a good solution, many have some back to say this is not a clean or a native way to work with strings. Let us learn about Splitting Strings puzzle.