We have a database which stores the temperatures of 20 thermometer every 7 seconds. We want to delete all records in the way that every minute holds just one tempereature instead of 8 which are older ...
I have an interview question, which being asked during my interview. I answered the question, but interviewer was not convinced with my answer. So, please let me know the what would be the correct ...
At the end is a test script for comparing the performance between a @table variable and a #temp table. I think I've set it up correctly - the performance timings are taken outside of the ...