There are a few options for migrating or synchronizing data from MySQL - I'd recommend starting with this page in the ClickHouse Docs - there is a nice video there that explains some of those options:
Depending on what you are trying to achieve, you could use clickhouse-local with the MySQL engine to move data, or could use an ETL/ETL tool to migrate/sync
https://clickhouse.com/docs/en/integrations/migration/
Depending on what you are trying to achieve, you could use clickhouse-local with the MySQL engine to move data, or could use an ETL/ETL tool to migrate/sync