You may have heard about Telegram bots or even use them on a daily basis; however, for many people, they seem like small pieces of magic that somehow accomplish tasks. The goal of this post is to grasp the technical side of the Telegram system from a bot’s perspective, to examine how chatbots communicate with other system components, and to explore what is required to build one.

The above is a simple table with a corresponding index that we are going to use to describe the data deletion flow using two methods: DELETE and TRUNCATE, and how those methods affect physical space after completion.