tsql获取sqlserver某个库下所有表

declare @tblName nvarchar(128)
declare my_cursor cursor
for (select [name] from SysObjects where XType='U')
open my_cursor
fetch next from my_cursor into @tblName
while @@fetch_status = 0
    begin
        --INSERT INTO [dbo].[Temp]([表名],[序号],[列名],[列说明],[数据类型],[长度],[小数位数],[标识],[主键],[允许空],[默认值])
        SELECT  CASE WHEN col.colorder = 1 THEN obj.name ELSE '' END AS 表名,
                col.colorder AS 序号 ,
                col.name AS 列名 ,
                ISNULL(ep.[value], '') AS 列说明 ,
                t.name AS 数据类型 ,
                col.length AS 长度 ,
                ISNULL(COLUMNPROPERTY(col.id, col.name, 'Scale'), 0) AS 小数位数 ,
                CASE WHEN COLUMNPROPERTY(col.id, col.name, 'IsIdentity') = 1 THEN '' ELSE '' END AS 标识 ,
                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 = si.name
                                                                      AND so.xtype = 'PK'
                                   WHERE    sc.id = col.id
                                            AND sc.colid = col.colid ) THEN ''
                     ELSE ''
                END AS 主键 ,
                CASE WHEN col.isnullable = 1 THEN ''
                     ELSE ''
                END AS 允许空 ,
                ISNULL(comm.text, '') AS 默认值
        FROM    dbo.syscolumns col
                LEFT  JOIN dbo.systypes t ON col.xtype = t.xusertype
                inner JOIN dbo.sysobjects obj ON col.id = obj.id
                                                 AND obj.xtype = 'U'
                                                 AND obj.status >= 0
                LEFT  JOIN dbo.syscomments comm ON col.cdefault = comm.id
                LEFT  JOIN sys.extended_properties ep ON col.id = ep.major_id
                                                              AND col.colid = ep.minor_id
                                                              AND ep.name = 'MS_Description'
                LEFT  JOIN sys.extended_properties epTwo ON obj.id = epTwo.major_id
                                                                 AND epTwo.minor_id = 0
                                                                 AND epTwo.name = 'MS_Description'
        WHERE   obj.name = @tblName
        ORDER BY col.colorder
        fetch next from my_cursor into @tblName
    end
close my_cursor
deallocate my_cursor
go