-- ======================================================
--列出SQL SERVER 所有表，字段名，主鍵，類型，長度，小數位數等信息
--在查詢分析器裏運行即可,可以生成一個表，導出到EXCEL中
-- ======================================================
SELECT
(case when a.colorder=1 then d.name else '' end)表名,
a.colorder 字段序號,
a.name 字段名,
(case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 標識,
(case when (SELECT count(*)
FROM sysobjects
WHERE (name in
(SELECT name
FROM sysindexes
WHERE (id = a.id) AND (indid in
(SELECT indid
FROM sysindexkeys
WHERE (id = a.id) AND (colid in
(SELECT colid
FROM syscolumns
WHERE (id = a.id) AND (name = a.name))))))) AND
(xtype = 'PK'))>0 then '√' else '' end) 主鍵,
b.name 類型,
a.length 佔用字節數,
COLUMNPROPERTY(a.id,a.name,'PRECISION') as 長度,
isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小數位數,
(case when a.isnullable=1 then '√'else '' end) 允許空,
isnull(e.text,'') 默認值,
isnull(g.[value],'') AS 字段說明
FROM syscolumns a left join systypes b
on a.xtype=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 sysproperties g
on a.id=g.id AND a.colid = g.smallid
order by a.id,a.colorder
