几个SQL Server语句和存储过程

-- ======================================================
--列出SQL SERVER 所有表，字段名，主键，类型，长度，小数位数等信息
--在查询分析器里运行即可,可以生成一个表，导出到EXCEL中
-- ======================================================
SELECT
       (case when a.colorder=1 then d.name else '' end)表名,
       a.colorder 字段序号,
       a.name 字段名,
       (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,
       (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