Chapter 5. Advanced Scripting

"In my opinion, the vast majority of scripts written … are not very original, well-written, or interesting. It has always been that way, and I think it always will be."

— Viggo Mortensen

In anything more than the simplest of QlikView applications, the script is where we spend a very large percentage of our development time.

When we discussed the performance tuning of our applications (Chapter 1, Performance Tuning and Scalability), we discussed that almost all of the effort to make our applications more efficient and to consume less memory will be made in the script. Even when we tune expressions in the frontend, then this is more than likely going to be supported by script work.

All data modeling work is going to be in the script. Of course, implementing an ETL process is something that we do in the script. We can use the script to simplify advanced expressions.

Almost...