A data table shows your data in a table.
You can connect your internal datas, SQL Queries and connectors to data table in properties of the data table component.
It has some initial styles, but you can change them what you want.
You can connect your from Data Source input and when you click the Open Column Mapping button, you can select values that you want to show in the table.
Also you can use Filter | Visual SQL Editor feature of Peaka when you click Filter | Visual SQL Editor button in properties of the data table.