DM数据库导出excel表结构

select

utc.column_name 字段名,

utc.data_type 字段类型,

utc.data_length 数据长度,

utc.data_precision 数据精度,

utc.nullable 是否为空 ,

ucc.comments 备注

from user_tab_columns utc,user_col_comments ucc

where utc.column_name = ucc.column_name and utc.Table_Name = ucc.Table_Name

and utc.Table_Name = 'xxx' and owner='模式名字'