取得sql2005 表字段信息的sql语句

SELECT     ROW_NUMBER() OVER (ORDER BY id) AS ROW_NUMBER, FieldName, fieldDescn AS cnName, FieldType, fieldLength, isIdentifier, iskeyField, allowNull, defaultValue,
fieldDescn
FROM         (SELECT     TOP 100 a.id, d .name N'TableName', a.colorder N'FieldNumber', a.name N'FieldName', (CASE WHEN COLUMNPROPERTY(a.id, a.name, 'IsIdentity')
= 1 THEN '○' ELSE ' ' END) N'IsIdentifier', (CASE WHEN
(SELECT     count(*)
FROM          sysobjects
WHERE      (name IN
(SELECT     name
FROM          sysindexes
WHERE      (id = a.id) AND (indid IN
(SELECT     indid
FROM          sysindexkeys
WHERE      (id = a.id) AND (colid IN
(SELECT     colid
FROM          syscolumns
WHERE      (id = a.id) AND (name = a.name))))))) AND (xtype = 'PK')) > 0 THEN '○' ELSE ' ' END) N'IsKeyField',
b.name N'FieldType', a.length N'FieldSize', COLUMNPROPERTY(a.id, a.name, 'PRECISION') AS N'FieldLength', isnull(COLUMNPROPERTY(a.id, a.name,
'Scale'), 0) AS N'DecimalDigits', (CASE WHEN a.isnullable = 1 THEN ' ' ELSE '○' END) N'AllowNull', isnull(e.text, '') N'DefaultValue', isnull(g.[value], '')
AS N'FieldDescn'
FROM          syscolumns a LEFT 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 JOIN
syscomments e ON a.cdefault = e.id LEFT JOIN
sys.extended_properties g ON a.id = g.major_id AND a.colid = g.minor_id
ORDER BY object_name(a.id), a.colorder) ttt