ehxz 发表于 2010-9-30 23:42:33

sqlserver表结构查询

SELECT 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 sysobjects
         WHERE xtype = 'PK' AND name IN
                   (SELECT name
                  FROM sysindexes
                  WHERE indid IN
                            (SELECT indid
                           FROM sysindexkeys
                           WHERE id = a.id AND colid = a.colid)))
      THEN '√' ELSE '' END AS 主键, b.name AS 类型, a.length AS 占用字节数,
      COLUMNPROPERTY(a.id, a.name, 'PRECISION') AS 长度,
      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., '') AS 字段说明
FROM syscolumns a LEFT OUTER 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 OUTER JOIN
      syscomments e ON a.cdefault = e.id LEFT OUTER JOIN
      sysproperties g ON a.id = g.id AND a.colid = g.smallid LEFT OUTER JOIN
      sysproperties f ON d.id = f.id AND f.smallid = 0
ORDER BY a.id, a.colorder
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