Oracle查询备注信息

查询表的备注信息：

SELECT
  TABLE_NAME,
  TABLE_TYPE,
  COMMENTS
FROM
  USER_TAB_COMMENTS
WHERE
  TABLE_NAME = 'MR_DEPT;

查询字段的备注信息：

SELECT
    TABLE_NAME,
    COLUMN_NAME,
    COMMENTS
FROM
    USER_COL_COMMENTS
WHERE
    TABLE_NAME = 'SFA_STOCK_REQUEST'