The technology and components behind QlikView
Now that we have seen how QlikView works from the point of view of a business user, it is time to get a little more technical. Let's take an in-depth look at the various components that QlikView consists of.
One of the key elements of QlikView is that it utilizes an in-memory database. Compared with a disk-based database, this offers a great advantage when it comes to performance. While disk-access time is measured in milliseconds, RAM access time is measured in nanoseconds, making it many orders of magnitude faster.
"But hold on—" you may say, "my hard disk has much more space than I have RAM in my PC; won't that mean that I can only load limited amounts of data into memory?"
This is a very valid question. ...