## Overview

> [!NOTE]
> This lab only supports Chrome browser.

In this practice, participants will learn how to use Time to Live (TTL). This feature allows you to manage TiDB data lifetime at the row level. For a table with the TTL attribute, TiDB automatically checks data lifetime and deletes expired data at the row level. This feature can effectively save storage space and enhance performance in some scenarios.

### Tasks

+ Initialize the TiDB Cluster.
+ Learn how to use the Time to Live (TTL).

> [!TIP]
> Click **Start** to launch the lab environment.
> Once the environment is ready, select **Next** on the bottom toolbar to advance to **Module 1**.
> And, follow the step-by-step lab guide to connect to the hands-on environment and begin your tasks.