[CatBoost](https://catboost.ai) is a free and open-source gradient boosting library developed at [Yandex](https://yandex.com/company/) for machine learning.
With this instruction, you will learn to apply pre-trained models in ClickHouse: as a result, you run the model inference from SQL.
With this instruction, you will learn to apply pre-trained models in ClickHouse by running model inference from SQL.