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      - DBA_DIRECTORIES
      - DBA_JOBS
      - DBA_JOBS_RUNNING
      - DBA_PART_COL_STATISTICS
      - DBA_PART_HISTOGRAMS
      - DBA_SUBPART_COL_STATISTICS
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      - DBA_TAB_COL_STATISTICS
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      - NLS_DATABASE_PARAMETERS
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      - STMT_AUDIT_OPTION_MAP
      - TENANT_VIRTUAL_GLOBAL_VARIABLE
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      - USER_ALL_TABLES
      - USER_ARGUMENTS
      - USER_AUDIT_OBJECT
      - USER_AUDIT_SESSION
      - USER_AUDIT_STATEMENT
      - USER_AUDIT_TRAIL
      - USER_COLL_TYPES
      - USER_COL_COMMENTS
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      - USER_IND_COLUMNS
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      - USER_PART_TABLES
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      - USER_SUBPART_KEY_COLUMNS
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      - USER_TAB_SUBPARTITIONS
      - USER_TRIGGERS
      - USER_TABLES
      - USER_TABLESPACES
      - USER_TAB_COLS
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      - USER_TAB_COMMENTS
      - USER_TAB_PARTITIONS
      - USER_TAB_PRIVS
      - USER_TYPES
      - USER_TYPE_ATTRS
      - USER_TYPE_METHODS
      - USER_VIEWS
      - USER_JOBS
      - USER_RECYCLEBIN
      - USER_DEPENDENCIES
      - USER_PART_COL_STATISTICS
      - USER_PART_HISTOGRAMS
      - USER_SUBPART_COL_STATISTICS
      - USER_SUBPART_HISTOGRAMS
      - USER_TAB_COL_STATISTICS
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      - ROLE_TAB_PRIVS
      - ROLE_SYS_PRIVS
      - ROLE_ROLE_PRIVS
      - DICTIONARY
      - DICT
      - DBA_OB_BACKUP_SET_FILES
      - DBA_OB_BACKUP_JOBS
      - DBA_OB_BACKUP_JOB_HISTORY
      - DBA_OB_BACKUP_TASKS
      - DBA_OB_BACKUP_TASK_HISTORY
      - DBA_OB_ARCHIVELOG_PIECE_FILES
      - DBA_OB_RESTORE_PROGRESS
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      - DBA_OB_ARCHIVELOG
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      - DBA_OB_BACKUP_DELETE_JOBS
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      - DBA_OB_BACKUP_DELETE_TASK_HISTORY
      - DBA_OB_BACKUP_STORAGE_INFO
      - DBA_OB_BACKUP_STORAGE_INFO_HISTORY
      - DBA_OB_BACKUP_DELETE_POLICY
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      - DBA_OB_LS
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DBA_ROLES

更新时间：2026-05-19 11:58:51

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功能

DBA_ROLES 列出数据库中存在的所有角色。

字段说明

字段名称	类型	是否可以为 NULL	描述
ROLE	VARCHAR2(30)	NO	角色名称
PASSWORD_REQUIRED	VARCHAR2(8)	NO	指示角色是否需要启用密码。目前支持角色密码功能，但该字段不能正确显示
AUTHENTICATION_TYPE	VARCHAR2(11)	NO	指示角色的身份验证机制。目前暂不支持该字段。

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