獲取資料庫表的欄位信息

SELECT
表名 = Case When A.colorder=1 Then D.name Else '' End,
表說明 = Case When A.colorder=1 Then isnull(F.value,'') Else '' End,
欄位序號 = A.colorder,
欄位名 = A.name,
欄位說明 = isnull(G.[value],''),
標識 = Case When COLUMNPROPERTY( A.id,A.name,'IsIdentity')=1 Then '√'Else '' End,
主鍵 = Case When exists(SELECT 1 FROM sysobjects Where xtype='PK' and parent_obj=A.id and name in (
SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = A.id AND colid=A.colid))) then '√' else '' end,
類型 = B.name,
占用位元組數 = A.Length,
長度 = COLUMNPROPERTY(A.id,A.name,'PRECISION'),
小數位數 = isnull(COLUMNPROPERTY(A.id,A.name,'Scale'),0),
允許空 = Case When A.isnullable=1 Then '√'Else '' End,
預設值 = isnull(E.Text,'')
FROM
syscolumns A
Left Join
systypes B
On
A.xusertype=B.xusertype
Inner Join
sysobjects D
On
A.id=D.id and D.xtype='U' and D.name<>'dtproperties'
Left Join
syscomments E
on
A.cdefault=E.id
Left Join
sys.extended_properties G
on
A.id=G.major_id and A.colid=G.minor_id
Left Join

sys.extended_properties F
On
D.id=F.major_id and F.minor_id=0
--where d.name='OrderInfo' --如果只查詢指定表,加上此條件
Order By
A.id,A.colorder

//mysql
SELECT
TABLE_NAME,
column_name,
DATA_TYPE,
column_comment,
(case when COLUMN_KEY='PRI' then 1 else 0 end) as IsPK,
(case when IS_NULLABLE = 'NO' then 0 else 1 end)as CanNull
FROM
information_schema. COLUMNS
WHERE
TABLE_SCHEMA = '資料庫';

再將結果複製到excel中，修改為自己需要的樣子。