In this exercise, we clean up a file from duplicates. The easiest way would be to use a GroupBy node, group by contract IDs and t…

This exercise: - uses a global variable (username), - creates a local variable (timestamp ) with a Java Edit Variable node, - per…

Starting from 15.01.2011 we build the course schedule for the 12 months. One course every month, on the 15th. To do that, we use …

This exercise is about global and local variables. Define an engine size as global variable (300 for example). Find all cars with…

This exercise is about global variables. Extract data rows from the sales.csv file for a specific month and year combination. Use…

In this exercise, we clean up a file from duplicates. The easiest way would be to use a GroupBy node, group by contract IDs and t…

Here we have single files, each one containing a data column of a bigger data table. Let's list all the file name, for each filen…

This exercise is about global and local variables. Define an engine size as global variable (300 for example). Find all cars with…

This exercise is about global variables. Extract data rows from the sales.csv file for a specific month and year combination. Use…

This exercise is about global and local variables. Define an engine size as global variable (300 for example). Find all cars with…

Here we have single files, each one containing a data column of a bigger data table. Let's list all the file name, for each filen…

This exercise is about global variables. Extract data rows from the sales.csv file for a specific month and year combination. Use…

In this exercise, we clean up a file from duplicates. The easiest way would be to use a GroupBy node, group by contract IDs and t…

Here we have single files, each one containing a data column of a bigger data table. Let's list all the file name, for each filen…

In this exercise, we clean up a file from duplicates. The easiest way would be to use a GroupBy node, group by contract IDs and t…

This exercise: - uses a global variable (username), - creates a local variable (timestamp ) with a Java Edit Variable node, - per…

Starting from 15.01.2011 we build the course schedule for the 12 months. One course every month, on the 15th. To do that, we use …

This exercise is about global and local variables. Define an engine size as global variable (300 for example). Find all cars with…

Starting from 15.01.2011 we build the course schedule for the 12 months. One course every month, on the 15th. To do that, we use …

Here we have single files, each one containing a data column of a bigger data table. Let's list all the file name, for each filen…