ALL_DB_LINKS

ALL_DB_LINKS describes the database links accessible to the current user.

Column Datatype NULL Description
OWNER VARCHAR2(128) NOT NULL Owner of the database link
DB_LINK VARCHAR2(128) NOT NULL Name of the database link
USERNAME VARCHAR2(128)   Name of the user to be used when connecting to a remote database
CREDENTIAL_NAME VARCHAR2(128)   Name of the credential to be used when connecting to a remote database
CREDENTIAL_OWNER VARCHAR2(128)   Owner of the credential to be used when connecting to a remote database
HOST VARCHAR2(2000)   Oracle Net connect string
CREATED DATE NOT NULL Creation time of the database link
HIDDEN VARCHAR2(3)   For internal use only
SHARD_INTERNAL VARCHAR2(3)  

Indicates whether the database link is used to support operations across sharded databases. Possible values:

  • YES: The database link is used and managed for to support sharded databases

  • NO: The database link is not used and managed to support sharded databases

Users should not alter or delete database links that are used and managed to support sharded databases.

VALID VARCHAR2(3)  

Indicates whether the database link is valid and usable. Possible values:

  • YES: The database link is valid and usable.

  • NO: The database link is invalid and unusable.

INTRA_CDB VARCHAR2(3)   For internal use only

See Also: