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sys.certificates (Transact-SQL)

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW)

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.

Permissions

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.

See also