1 SELECT CASE WHEN col.colorder = 1 THEN obj.name
2 ELSE ''
3 END AS 表名,
4 col.colorder AS 序号 ,
5 col.name AS 列名 ,
6 ISNULL(ep.[value], '') AS 列说明 ,
7 t.name AS 数据类型 ,
8 col.length AS 长度 ,
9 ISNULL(COLUMNPROPERTY(col.id, col.name, 'Scale'), 0) AS 小数位数 ,
10 CASE WHEN COLUMNPROPERTY(col.id, col.name, 'IsIdentity') = 1 THEN '√'
11 ELSE ''
12 END AS 标识 ,
13 CASE WHEN EXISTS ( SELECT 1
14 FROM dbo.sysindexes si
15 INNER JOIN dbo.sysindexkeys sik ON si.id = sik.id
16 AND si.indid = sik.indid
17 INNER JOIN dbo.syscolumns sc ON sc.id = sik.id
18 AND sc.colid = sik.colid
19 INNER JOIN dbo.sysobjects so ON so.name = si.name
20 AND so.xtype = 'PK'
21 WHERE sc.id = col.id
22 AND sc.colid = col.colid ) THEN '√'
23 ELSE ''
24 END AS 主键 ,
25 CASE WHEN col.isnullable = 1 THEN '√'
26 ELSE ''
27 END AS 允许空 ,
28 ISNULL(comm.text, '') AS 默认值
29 FROM dbo.syscolumns col
30 LEFT JOIN dbo.systypes t ON col.xtype = t.xusertype
31 inner JOIN dbo.sysobjects obj ON col.id = obj.id
32 AND obj.xtype = 'U'
33 AND obj.status >= 0
34 LEFT JOIN dbo.syscomments comm ON col.cdefault = comm.id
35 LEFT JOIN sys.extended_properties ep ON col.id = ep.major_id
36 AND col.colid = ep.minor_id
37 AND ep.name = 'MS_Description'
38 LEFT JOIN sys.extended_properties epTwo ON obj.id = epTwo.major_id
39 AND epTwo.minor_id = 0
40 AND epTwo.name = 'MS_Description'
41 WHERE obj.name = 'Act_Activity'--表名
42 ORDER BY col.colorder ;
