MySQL 9.1 Release Notes
        
        The certificates table provides information
        about the certificates used by nodes connecting with TLS link
        encryption (see Section 25.6.15, “TLS Link Encryption for NDB Cluster”).
      
        The certificates table contains the following
        columns:
- Node_id- ID of the node where this certificate is found 
- Name- Certificate name 
- Expires- Expiration date, in - mm-nnn-yyyyformat (for example,- 18-Dec-2023).
- Serial- Serial number