View the structure of a particular table Sql Server database

- Quick View table structure (more comprehensive) 
the SELECT the WHEN col.colorder the CASE = . 1 THEN obj.name 
                  the ELSE '' 
             the END table the AS, 
        col.colorder the AS number, 
        col.name the AS column name, 
        the ISNULL (EP [value. ], '' ) described the AS column, 
        t.name the AS data type, 
        col.length length of the AS, 
        the ISNULL (the COLUMNPROPERTY (col.id, col.name, ' Scale ' ), 0 ) the AS number of decimal places, 
        the CASE the WHEN the 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 = 't_m_check_item'--表名
ORDER BY col.colorder ;