达梦数据库表SQL语句

--给表加注释 comment ON TABLE T_D_BXZZ_KM_MAP IS ‘保险总账科目映射’ --查询表注释 select comments from user_tab_comments where table_name = 'T_D_BXZZ_KM_MAP' --加注表字段 comment ON COLUMN T_D_BXZZ_KM_MAP.C_KM_CODE IS 科目代码 --查看表字段注释 SELECT * FROM user_col_comments co WHERE co.TABLE_NAME='T_D_BXZZ_KM_MAP'