获取数据库中用户表所有列和列的数据类型

获取数据库中，所有用户表中每一列名和其数据类型。

SELECT OBJECT_NAME(c.OBJECT_ID) AS [Table_Name], c.[name] AS [Column_Name] ,t.[name] AS [Data_Type_Name]  
FROM sys.columns AS c  
LEFT JOIN SYSOBJECTS AS s ON (c.[object_id] = s.[id])  
LEFT JOIN sys.types AS t ON (c.[user_type_id]=t.[user_type_id])
WHERE s.xtype = "U"