将SQL SERVER中所有表的列資訊顯示出來
正在作一個關于SQL SERVER資料庫導入Excel檔案的程式,要讀取資料庫中的列的資訊,從網上找了很多資料,終于總結出來比較理想的sql語句,執行後傳回的列分别是:表名、列名、列類型、列長度、列描述、是否主鍵,語句如下:
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
SELECT SysObjects.Name as tb_name, SysColumns.Name as col_name, SysTypes.Name as col_type, SysColumns.Length as col_len, isnull(SysProperties.Value,SysColumns.Name) as col_memo,
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
case when SysColumns.name in
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
(select 主鍵=a.name
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
FROM syscolumns a
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
inner join sysobjects b on a.id=b.id and b.xtype='U' and b.name<>'dtproperties'
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
where exists(SELECT 1 FROM sysobjects where xtype='PK' and name in (
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
SELECT name FROM sysindexes WHERE indid in(
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
)))
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
and b.name=SysObjects.Name
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
then 1 else 0 end as is_key
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
FROM SysObjects,SysTypes,SysColumns
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
LEFT JOIN SysProperties ON (Syscolumns.Id = Sysproperties.Id AND
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
Syscolumns.Colid = Sysproperties.Smallid)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
WHERE (Sysobjects.Xtype ='u' OR Sysobjects.Xtype ='v')
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
AND Sysobjects.Id = Syscolumns.Id AND SysTypes.XType = Syscolumns.XType
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
AND SysTypes.Name <> 'sysname' AND Sysobjects.Name Like '%' ORDER By SysObjects.Name, SysColumns.colid
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuAjNhVTMlhzMzImMwQ2NjJmM1QWMkdTNlNTZllzMzYTYfdWbp9CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)
如果隻想操作一個表的,那麼把最後的%換成表名就可以了。