“…One of the first such tools was REDWAR [59] tool for database analysis. Later, there was AutoAdmin [18] tool for index recommendation, DB2 advisor [49,57,60,61] (index, materialized view, partitions, allocation), Oracle Advisor [23,25] (index, materialized view, partitioning support), various advisors for Microsoft's products [5,6,8,14,47] (variety of physical structures), PostgreSQL [10,26,44], Ingres [56]. This stage started in the end of 80-es and continues up to this day.…”