1. Database Reference
  2. Static Data Dictionary Views
  3. Static Data Dictionary Views: ALL_ALL_TABLES to ALL_OUTLINES
  4. ALL_DB_LINKS

2.111 ALL_DB_LINKS

ALL_DB_LINKS describes the database links accessible to the current user.

Related Views

  • DBA_DB_LINKS describes all database links in the database.

  • USER_DB_LINKS describes the database links owned by the current user. This view does not display the OWNER column.

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 when logging in

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_CDBFoot 1

VARCHAR2(3)

For internal use only

Footnote 1 This column is available starting with Oracle Database release 19c, version 19.1.

See Also: