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.
SQL SERVER – System Function @@IDLE to Find System Ideal Time
Just the other day I got an email with user asking how do the @@idle function work with SQL Server as when he runs them it gives him some number but the number is not easy to interpret. I totally agree with the observation. When I was new to SQL Server, the best learning resource available was SQL Server Books On Line. I used to read Books On Line and learn quite a bit from it.
How to Introduce Time Delay Between Two T-SQL Commands? – Interview Question of the Week #091
Question: How to Introduce Time Delay Between Two TSQL Commands?
SQL SERVER – Puzzle – Change in Date Format with Function
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.
SQL SERVER – Puzzle – Playing with Datetime with Customer Data
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.
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. The next day when I get ready to blog, I use the same calender as a reference to blog about the same. Most of the time I plan out my week at a time. Let us learn about how to find week of the year using datepart function.
SQL SERVER 2016 – STRING_SPLIT Function Performance Comparison – Notes from the Field #118
SQL Server 2016 is around the corner. We already have SQL Server 2016 RC0 released and many of us have started to test out various aspects of the same. For many years users have created temporary tables as well as used cross apply functions to split a large string and make it a table. I think every single time when I was assigned this task, I disliked it as the methods I used never made me happy. Well, the situation is now changed now with STRING_SPLIT function in SQL Server 2016.
In this episode of the Notes from the Field series database expert Kathi Kellenberger explains about easy and amazing functions of SQL Server. Kathi is an amazing instructor, she was the SQL author I have read in my early career. Today she brings a very new topic for database experts. Read the experience of Kathi in her own words.