The "Populate table" feature is a way to insert lots of generated data into tables, basing on some rules, in order to have some test data to work with. It automates inserting lots of data that have predictible values, like sequence o numbers, random numbers, random text, random numbers, etc, etc.

Populating is done using rules that are defined by Populating plugins. Each plugin has its own input arguments (like minimum/maximum values, etc) and produces set of values basing on input arguments and internal algorithms.

To populate table with data, click on "Populate table" button on Table Window's Data tab toolbar. In the Populate dialog you will be able to define how many rows of data you want to produce and select which columns should be populated. Unselected columns will be populated with their default values. When selecting columns to populate, you need to pick a plugin used for populating - this determinates what data will be inserted into that column. Most plugins also have configuration available to specify some details of data production.