# Using Placement Rules In Sql - Step 1
__*Using Placement Rules in SQL*__
+ Design a business topology and set tags for different TiKV instances

![left](./student-guide/diagram/PlacementRulesInSQLLabels01_aa_001_20220515.png)

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Next, let's take a look at how to use the Placement Rules in SQL feature. First, we need to configure tags for each zone, cabinet, and server. With labels, we solved the problem of where. In other words, you can use SQL statements to specify where to place data objects.