In the interview and I end up seeing candidates failing to answer this question about the Stored Procedure Modified recently.
SQL SERVER – Optimizing Tabular Models for Self-Service Reporting: Summarize By – Notes from the Field #123
[Note from Pinal]: This is a new episode of Notes from the Field series. I personally have no problem accepting that I do not know many topics. One of the such topic is Tabular Models. I always wanted to learn more and I finally got the opportunity to learn more.
In this episode of the Notes from the Field series I asked SQL Expert Bill Anton a very crucial question – How can we optimize Tabular Models for self service reporting with the help of Summarize By ? Bill was very kind to answer the questions and provides plenty of information about how a novice developer can work with Tabular Models.
How to Insert Multiple Rows in a Single SQL Query – Interview Question of the Week #069
There are so many different databases in the world and many of them use the language SQL for their programming. It is very easy to assume that if they are using SQL, we can easily use code from one database to another database. Unfortunately the reality is very different, not all the scripts from one database works in another database. Today we will see very interesting question where the user asked a question about inserting multiple rows in a single SQL query.
SELECT One by Two – Interview Question Extended – Part II
The puzzles are interesting and in most cases, if we try to play around a little bit more, many more interesting extensions can be added. A couple of weeks back, I wrote a round – SELECT One by Two – Why Does SELECT 1/2 Returns 0 – Interview Question of the Week #067. It brought some good interactions as comments over the blog and I was happy we were all excited about something as simple as this.
SQL SERVER – Computed Column and Conditions with Case Statement
When I do not find anything on my blog, I write a blog post about it, so next time I do not have to recreate the scripts from the beginning. Just another day, I was doing performance tuning for an organization, I had to create a computed column with CASE statement and I suddenly realize that I do not have such a script on my blog so I decided to write a blog post on this subject.
SQL SERVER – Identify Table Where Clustered Index is Not a Primary Key – DMV
Let us first see script which will return us tablename with schema where clustered index is not a primary key.
What is Difference Between HAVING and WHERE – Interview Question of the Week #068
I do a performance tuning consulting to earn my livelihood. Once in a while, I end up customer who wants to interview me to check if I know SQL. I absolutely have no problem with the interview. This is a good thing and it gives me confidence that they are serious with their project. With said that once in a while the senior guys on the other side are so busy they end up having my interview with junior (novice) experts. I often struggle with this interview question and answer with beginners because my answers are based on experience and they often do not match what they have learned in school/collage.