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DBA_ROLES

DBA_ROLES describes all roles in the database.

Column Datatype NULL Description
ROLE VARCHAR2(30) NOT NULL Name of the role
PASSWORD_REQUIRED VARCHAR2(8)   This column is deprecated in favor of the AUTHENTICATION_TYPE column
AUTHENTICATION_TYPE VARCHAR2(11)   Indicates the authentication mechanism for the role:
  • NONE - CREATE ROLE role1;

  • EXTERNAL - CREATE ROLE role2 IDENTIFIED EXTERNALLY;

  • GLOBAL - CREATE ROLE role3 IDENTIFIED GLOBALLY;

  • APPLICATION - CREATE ROLE role4 IDENTIFIED USING schema.package;

  • PASSWORD - CREATE ROLE role5 IDENTIFIED BY role5;