V$WALLET displays metadata of certificates that may be used as a master key for transparent data encryption.

Column Datatype Description
CERT_ID VARCHAR2(52) A unique certificate identifier value used to specify a particular PKI certificate for use as the master key
DN VARCHAR2(255) The distinguished name of a particular PKI certificate
SERIAL_NUM VARCHAR2(40) The unique serial number assigned to a certificate by the issuer or signer
ISSUER VARCHAR2(255) The distinguished name of the Certificate Authority or issuer that issued and signed the certificate
KEYSIZE NUMBER The size of the PKI key associated with the certificate
STATUS VARCHAR2(16) Current status of the certificate: UNUSED, IN USE, or USED. This allows the user to identify whether a certificate is currently in use or has already been used for transparent database encryption.