用鵝毛筆沾咖啡畫ER Model

 use [AgriUnited];

 declare @tableName nvarchar(50) = 'AgriProdOrder';

-- 取資料表的 PK
SELECT KU.table_name as TABLENAME,column_name as PRIMARYKEYCOLUMN
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS TC
INNER JOIN
    INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS KU
          ON TC.CONSTRAINT_TYPE = 'PRIMARY KEY' AND
             TC.CONSTRAINT_NAME = KU.CONSTRAINT_NAME AND 
             KU.table_name=@tableName
ORDER BY KU.TABLE_NAME, KU.ORDINAL_POSITION;

-- 取資料表的所有欄位資訊
  select 
        --st.name [Table],
        sc.name [欄位名稱],
        --tp.name [DataType],
        --info.character_maximum_length,
        case 
            when info.character_maximum_length is null then tp.name
            else tp.name+ '('+cast(info.character_maximum_length as nvarchar)+')'
            end [型態],
        case
            when info.COLUMN_DEFAULT is null then ''
            else info.COLUMN_DEFAULT
            end [預設值],
        case 
            when sc.is_nullable = 1 then ''
            else 'NOT NULL'
            end [是否NULL],
        case
            when sep.value is null then ''
            else sep.value
            end [說明]
    from sys.tables st
    inner join sys.columns sc on st.object_id = sc.object_id
    left join sys.extended_properties sep on st.object_id = sep.major_id
                                         and sc.column_id = sep.minor_id
                                         and sep.name = 'MS_Description'
    JOIN sys.types tp ON tp.user_type_id = sc.user_type_id
    join (SELECT * 
        FROM INFORMATION_SCHEMA.COLUMNS 
        WHERE TABLE_NAME = @tableName) info
on info.COLUMN_NAME = sc.name
    where st.name = @tableName
    --and sc.name = @ColumnName

可取得如下資料，供快速製作文件