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一些有用西查询语句(关于系统表的使用)
作者:武汉SEO闵涛  文章来源:敏韬网  点击数4297  更新时间:2009/4/22 23:09:45  文章录入:mintao  责任编辑:mintao
p;                              d.low)) + " " + "KB"),
                        data = convert(char(10), convert(varchar(11),
                                convert(numeric(11,0),convert(numeric(20,9),
                                data_pgs(i.id, i.doampg) / 1024) * d.low)) + 
                                " " + "KB"),
                        index_size = convert(char(10), convert(varchar(11), 0) 
                                + " " + "KB"),
                        unused = convert(char(10), convert(varchar(11),
                                convert(numeric(11,0), convert(numeric(20,9),
                                ((reserved_pgs(i.id, i.doampg) + 
                                reserved_pgs(i.id, i.ioampg)) -
                                (data_pgs(i.id, i.doampg) + data_pgs(i.id,
                                i.ioampg)))) / 1024 * d.low)) + " " + "KB")
                        from sysobjects o, sysindexes i,
                             master.dbo.spt_values d, #objlist
                                where i.id = #objlist.id
                                        and o.id = #objlist.id
                                        and d.number = 1
                                        and d.type = "E"
                else
                    select name = convert(char(20), o.name),
                        rowtotal = convert(char(11), @msg),
                        reserved = convert(char(10), convert(varchar(11),
                                convert(numeric(11,0), convert(numeric(20,9),
                                (reserved_pgs(i.id, i.doampg) / 1024)) * 
                                d.low)) + " " + "KB"),
                        data = convert(char(10), convert(varchar(11),
                                convert(numeric(11,0),convert(numeric(20,9),
                                data_pgs(i.id, i.doampg) / 1024) * d.low)) + 
                                " " + "KB"),
                        index_size = convert(char(10), convert(varchar(11), 0) 
                                + " " + "KB"),
                        unused = convert(char(10), convert(varchar(11),
                                convert(numeric(11,0), convert(numeric(20,9),
                                ((reserved_pgs(i.id, i.doampg) + 
                                reserved_pgs(i.id, i.ioampg)) -
                                (data_pgs(i.id, i.doampg) + data_pgs(i.id,
                                i.ioampg)))) / 1024 * d.low)) + " " + "KB")
                        from sysobjects o, sysindexes i,
                             master.dbo.spt_values d, #objlist
                                where i.id = #objlist.id
                                        and o.id = #objlist.id
               &nbs

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