sql 查询表定义

 
ALTER proc [dbo].[test_queryTableInfo]    
(    
 @tableName varchar(200)    
)    
as    
begin    
 SELECT    
 表名=CASE WHEN a.colorder = 1 THEN d.name ELSE '' END,    
 表说明=CASE WHEN a.colorder = 1 THEN isnull(f.value, '') ELSE '' END ,    
 字段序号=a.colorder ,    
 字段名=a.name ,    
 标识=CASE WHEN COLUMNPROPERTY(a.id, a.name, 'IsIdentity') = 1 THEN '√' ELSE '' END ,    
 主键=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 = so.name AND so.xtype = 'PK'    
     WHERE sc.id = a.id AND sc.colid = a.colid) THEN '√'    
     ELSE ''    
   END ,    
  外键=CASE WHEN tony.fkey is not null and tony.fkey=a.colid THEN '√' ELSE '' END ,    
  外键表=CASE WHEN tony.fkey is not null and tony.fkey=a.colid    
    THEN object_name(tony.fkeyid) ELSE ''    
     END ,    
  外键字段=CASE WHEN tony.fkey is not null and tony.fkey=a.colid    
     THEN (SELECT name FROM syscolumns    
        WHERE colid=tony.fkey AND id=tony.fkeyid)          
     ELSE ''    
    END,    
  类型=b.name ,    
  长度=a.length ,    
  精度=COLUMNPROPERTY(a.id, a.name, 'PRECISION') ,    
  小数位数=ISNULL(COLUMNPROPERTY(a.id, a.name, 'Scale'), 0) ,    
  允许空=CASE WHEN a.isnullable = 1 THEN '√' ELSE '' END ,    
  默认值= ISNULL(e.text, ''),    
  字段说明=ISNULL(g.[value], ''),    
  创建时间=d.crdate,    
  更改时间=CASE WHEN a.colorder = 1 THEN d.refdate ELSE NULL END    
 FROM dbo.syscolumns a    
 LEFT 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 JOIN dbo.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    
 LEFT JOIN sys.extended_properties f ON d.id = f.major_id AND f.minor_id = 0     
 LEFT JOIN sysobjects htl ON htl.parent_obj=d.id AND d.xtype='F'    
 LEFT JOIN sysforeignkeys tony on htl.id=tony.constid    
 WHERE d.name=@tableName  --这里输入包含表名称的条件    
 ORDER BY d.id, a.colorder    
end

GO