Oracle生成字段及对于注释

SELECT t.TABLE_NAME,t.COLUMN_NAME,t.DATA_TYPE,c.comments
FROM DBA_TAB_COLUMNS t,dba_col_comments c
WHERE
t.TABLE_NAME = c.table_name
and t.COLUMN_NAME = c.column_name
and t.OWNER = c.owner
and t.OWNER = '登录用户'
and c.TABLE_NAME = 'SYS_COM_ADMIN'