select
ut.COLUMN_NAME,--字段名称
uc.comments,--字段注释
ut.DATA_TYPE,--字典类型
ut.DATA_LENGTH,--字典长度
ut.NULLABLE--是否为空
from user_tab_columns ut
inner JOIN user_col_comments uc
on ut.TABLE_NAME = uc.table_name and ut.COLUMN_NAME = uc.column_name
where ut.Table_Name='XXCT_SUPPLIES_ITEM_FROM_ERP'
order by ut.column_name
