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  • 获取SQL Server表字段的各种属性

    -- SQL Server 200

    SELECT a.name AS 字段名, CASE WHEN EXISTS
              (SELECT 1
             FROM sysobjects
             WHERE xtype = 'PK' AND parent_obj = a.id AND name IN
                       (SELECT name
                      FROM sysindexes
                      WHERE indid IN
                                (SELECT indid
                               FROM sysindexkeys
                               WHERE id = a.id AND colid = a.colid)))
          THEN '1' ELSE '0' END AS 主键, CASE WHEN COLUMNPROPERTY(a.id, a.name,
          'IsIdentity') = 1 THEN '1' ELSE '0' END AS 标识, b.name AS 类型,
          a.length AS 占用字节数, COLUMNPROPERTY(a.id, a.name, 'PRECISION') AS 长度,
          a.xscale AS 小数, a.isnullable AS 可空, ISNULL(e.text, '') AS 默认值, ISNULL(g.[value],
          '') AS 字段说明
    FROM syscolumns a LEFT OUTER JOIN
          systypes b ON a.xusertype = 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
    WHERE (d.name = '表名称')

    --2。SQL SERVER 2005


    SELECT     CASE WHEN EXISTS
                               (SELECT     1
                                 FROM          sysobjects
                                 WHERE      xtype = 'PK' AND parent_obj = a.id AND name IN
                                                           (SELECT     name
                                                              FROM          sysindexes
                                                              WHERE      indid IN
                                                                                         (SELECT     indid
                                                                                           FROM          sysindexkeys
                                                                                          WHERE      id = a.id AND colid = a.colid))) THEN '1' ELSE '0' END AS 'key', CASE WHEN COLUMNPROPERTY(a.id, a.name,
                          'IsIdentity') = 1 THEN '1' ELSE '0' END AS 'identity', a.name AS ColName, c.name AS TypeName, a.length AS 'byte', COLUMNPROPERTY(a.id, a.name,
                          'PRECISION') AS 'length', a.xscale, a.isnullable, ISNULL(e.text, '') AS 'default', ISNULL(p.value, '') AS 'comment'
    FROM         sys.syscolumns AS a INNER JOIN
                          sys.sysobjects AS b ON a.id = b.id INNER JOIN
                          sys.systypes AS c ON a.xtype = c.xtype LEFT OUTER JOIN
                          sys.syscomments AS e ON a.cdefault = e.id LEFT OUTER JOIN
                          sys.extended_properties AS p ON a.id = p.major_id AND a.colid = p.minor_id
    WHERE     (b.name = 'keyfactory') AND (c.status <> '1')
    --b.name = 'Keyfactory','Keyfactory'为你想要查找的数据表。

    --2。SQL SERVER 2005


    SELECT     CASE WHEN EXISTS
                               (SELECT     1
                                 FROM          sysobjects
                                 WHERE      xtype = 'PK' AND parent_obj = a.id AND name IN
                                                           (SELECT     name
                                                              FROM          sysindexes
                                                              WHERE      indid IN
                                                                                         (SELECT     indid
                                                                                           FROM          sysindexkeys
                                                                                          WHERE      id = a.id AND colid = a.colid))) THEN '1' ELSE '0' END AS 'key', CASE WHEN COLUMNPROPERTY(a.id, a.name,
                          'IsIdentity') = 1 THEN '1' ELSE '0' END AS 'identity', a.name AS ColName, c.name AS TypeName, a.length AS 'byte', COLUMNPROPERTY(a.id, a.name,
                          'PRECISION') AS 'length', a.xscale, a.isnullable, ISNULL(e.text, '') AS 'default', ISNULL(p.value, '') AS 'comment'
    FROM         sys.syscolumns AS a INNER JOIN
                          sys.sysobjects AS b ON a.id = b.id INNER JOIN
                          sys.systypes AS c ON a.xtype = c.xtype LEFT OUTER JOIN
                          sys.syscomments AS e ON a.cdefault = e.id LEFT OUTER JOIN
                          sys.extended_properties AS p ON a.id = p.major_id AND a.colid = p.minor_id
    WHERE     (b.name = 'keyfactory') AND (c.status <> '1')
    --b.name = 'Keyfactory','Keyfactory'为你想要查找的数据表。

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  • 原文地址:https://www.cnblogs.com/ejiyuan/p/1449987.html
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