Latest posts tagged on "SQL"

We all encounter such situations where we need to update records, just like in CRUD operations. Suppose we need to create a new instance of a service. What do you think is the efficient way? Will you create a new instance of service for each update? And what if the number of users increases drastically and the performance of your application goes down? 

continue...

 

  1. Grouping by Multiple Columns
continue...