3.134 ALL_USERS

ALL_USERS lists all users of the database visible to the current user.

This view does not describe the users (see the related views).

Related Views

  • DBA_USERS describes all users of the database, and contains more columns than ALL_USERS.

  • USER_USERS describes the current user, and contains more columns than ALL_USERS.

Column Datatype NULL Description

USERNAME

VARCHAR2(128)

NOT NULL

Name of the user

USER_ID

NUMBER

NOT NULL

ID number of the user

CREATED

DATE

NOT NULL

User creation date

COMMON

VARCHAR2(3)

Indicates whether a given user is common. Possible values:

  • YES if a user is common

  • NO if a user is local (not common)

ORACLE_MAINTAINED

VARCHAR2(1)

Denotes whether the user was created, and is maintained, by Oracle-supplied scripts (such as catalog.sql or catproc.sql). A user for which this column has the value Y must not be changed in any way except by running an Oracle-supplied script.

INHERITED

VARCHAR2(3)

Indicates whether the user definition was inherited from another container (YES) or not (NO)

DEFAULT_COLLATION

VARCHAR2(100)

Default collation for the user’s schema

IMPLICIT

VARCHAR2(3)

Indicates whether this user is a common user created by an implicit application (YES) or not (NO)

ALL_SHARD

VARCHAR2(3)

In a sharded database, the value in this column indicates whether the user was created with shard DDL enabled. The possible values are:

  • YES: The user was created with shard DDL enabled. The user exists on all shards and the shard catalog.

  • NO: The user was created without shard DDL enabled. The user exists only in the database in which the user was created.

In a non-sharded database, the value in this column is always NO.

See Also: