Microsoft Dynamics Axapta Technical,Functional Coverage

Simple Example of using tables in Query in axapta Reprts     Query q;     QueryRun qr;     QueryBuildDatasource qbds;     QueryBuildRange qbr;    InventTable inventtab;     ;     q = new Query();     qbds = q.addDataSource(tablenum(InventTable));     qbr = qbds.addRange(fieldNum(InventTable,Status));     qbr.value(queryValue(NoYes::No));     qr = new SysQueryRun(q);     while(qr.next())     {     inventtab = qr.get(tableNum(InventTable));     info(inventtab.Itemid);     }