SQL 表结构查询

SELECT TOP 100 PERCENT --a.id,

CASE WHEN a.colorder = 1 THEN d.name ELSE '' END 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, 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,

--ISNULL(g.[value], '') AS 字段说明, 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

--dbo.sysproperties g ON a.id = g.id AND a.colid = g.smallid AND

--g.name = 'MS_Description'

--LEFT OUTER JOIN dbo.sysproperties f ON d.id = f.id AND f.smallid = 0 AND f.name = 'MS_Description'

where d.name = 'GCHQI'---查询固定表，如果所有，去掉where条件

ORDER BY d.name, a.colorder