SELECT TOP 100 PERCENT --a.id,
--CASE WHEN a.colorder = 1 THEN d.name ELSE '' END AS 表名,
d.name AS 表名,
CASE WHEN a.colorder = 1 THEN isnull(f.value, '') ELSE '' END AS 表说明,
a.colorder AS 字段序号, a.name AS 字段名, ISNULL(g.[value], '') AS 字段说明,
CASE WHEN COLUMNPROPERTY(a.id,a.name, 'IsIdentity') = 1 THEN '√' ELSE '' END AS 标识,
CASE WHEN EXISTS
(SELECT 1 FROM dbo.sysindexes si
INNER JOIN dbo.sysindexkeys sik ON si.id = sik.id AND si.indid = sik.indid
INNER JOIN dbo.syscolumns sc ON sc.id = sik.id AND sc.colid = sik.colid
INNER JOIN dbo.sysobjects so ON so.name = si.name AND so.xtype = 'PK'
WHERE sc.id = a.id AND sc.colid = a.colid) THEN '√' ELSE '' END AS 主键,
b.name AS 类型, a.length AS 长度, COLUMNPROPERTY(a.id, a.name, 'PRECISION') AS 精度,
ISNULL(COLUMNPROPERTY(a.id, a.name, 'Scale'), 0) AS 小数位数,
CASE WHEN a.isnullable = 1 THEN '√' ELSE '' END AS 允许空, ISNULL(e.text, '') AS 默认值,
d.crdate AS 创建时间,
CASE WHEN a.colorder = 1 THEN d.refdate ELSE NULL END AS 更改时间
FROM dbo.syscolumns a
LEFT OUTER JOIN dbo.systypes b ON a.xtype = b.xusertype
INNER JOIN dbo.sysobjects d ON a.id = d.id AND d.xtype = 'U' AND d.status >= 0
LEFT OUTER JOIN dbo.syscomments e ON a.cdefault = e.id
LEFT OUTER JOIN sys.extended_properties g ON a.id = g.major_id AND a.colid = g.minor_id AND g.name = 'MS_Description'
LEFT OUTER JOIN sys.extended_properties f ON d.id = f.major_id AND f.minor_id = 0 AND f.name = 'MS_Description'
ORDER BY d.name, 字段序号
该SQL可以查询数据库里详细的数据字典。分享一下。 |