# support

Hari Hara Sudhan I

09/21/2023, 6:35 AM
Hi Team, we are planning to use signoz as an observability tools for our trace data which is stored in clickhouse. Very much impressed with the all the observability that Signoz provides. Since we are using our own clikchouse DB, like to know if we use self hosted Signoz then what all tables and databases that is mandatory inroder to have similar observability over the trace data. Like to know if there is any documentation for this, looking forward for help here

Prashant Shahi

09/21/2023, 7:29 PM
Hi Hari, do you plan to use existing ClickHouse DB with SigNoz? You can follow this docs for External ClickHouse in SigNoz: