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Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Azure Synapse Analytics
Analytics Platform System (PDW)
SQL database in Microsoft Fabric
Returns a row for each certificate in the database.
| Column name | Data type | Description |
|---|---|---|
| name | sysname | Name of the certificate. Is unique within the database. |
| certificate_id | int | ID of the certificate. Is unique within the database. |
| principal_id | int | ID of the database principal that owns this certificate. |
| pvt_key_encryption_type | char(2) | How the private key is encrypted. NA = There is no private key for the certificate MK = Private key is encrypted by the master key PW = Private key is encrypted by a user-defined password SK = Private key is encrypted by the service master key. |
| pvt_key_encryption_type_desc | nvarchar(60) | Description of how the private key is encrypted. NO_PRIVATE_KEY ENCRYPTED_BY_MASTER_KEY ENCRYPTED_BY_PASSWORD ENCRYPTED_BY_SERVICE_MASTER_KEY |
| is_active_for_begin_dialog | bit | If 1, this certificate is used to initiate encrypted service dialogs. |
| issuer_name | nvarchar(442) | Name of certificate issuer. |
| cert_serial_number | nvarchar(64) | Serial number of certificate. |
| sid | varbinary(85) | Login SID for this certificate. |
| string_sid | nvarchar(128) | String representation of the login SID for this certificate |
| subject | nvarchar(4000) | Subject of this certificate. |
| expiry_date | datetime | Date and time when certificate expires. |
| start_date | datetime | Date and time when certificate becomes valid. |
| thumbprint | varbinary(32) | SHA-1 hash of the certificate. The SHA-1 hash is globally unique. |
| attested_by | nvarchar(260) | System use only. |
| pvt_key_last_backup_date | datetime | The date and time the certificate's private key was last exported. |
| key_length | int | The certificate's key length. Applies to: SQL Server 2016 (13.x) and later versions. |
The visibility of the metadata in catalog views is limited to securables that a user either owns, or on which the user was granted some permission. For more information, see Metadata Visibility Configuration.