QlikView has many built-in functions, which are available to be applied to data that is already available in memory. These functions are organized into many categories and the syntax of the function appears as soon as it is selected. We can click on the Paste button to get the expression into the editor and supply the arguments.
Create a Table Box by following the menu as shown in the screen shot given below.
On completing the above given step, we get a window to show the Calculation condition at the bottom left.
Click on the button next to calculation condition and go to the Function tab. It shows the list of functions available.
On choosing String from the functions category, we can see only few functions, which take a string as an argument.
In the next chapters, we will see the use of many important functions.