# Oracle Siebel CRM [Oracle Siebel CRM](https://www.oracle.com/cx/siebel/) is a Customer Relationship Management platform. ## Sync overview Oracle Siebel CRM can run on the [Oracle, MSSQL, or IBM DB2](https://docs.oracle.com/cd/E88140_01/books/DevDep/installing-and-configuring-siebel-crm.html#PrerequisiteSoftware) databases. You can use Airbyte to sync your Oracle Siebel CRM instance by connecting to the underlying database using the appropriate Airbyte connector: - [DB2](db2) - [MSSQL](mssql) - [Oracle](oracle) :::info Reach out to your service representative or system admin to find the parameters required to connect to the underlying database ::: ### Output schema To understand your Oracle Siebel CRM database schema, see the [Organization Setup Overview docs](https://docs.oracle.com/cd/E88140_01/books/DevDep/basic-organization-setup-overview.html#basic-organization-setup-overview) documentation. Otherwise, the schema will be loaded according to the rules of the underlying database's connector.