24. The computer-readable storage medium of claim 16 , wherein the tuning the subset of database query language statements is performed until one or more time periods are reached or exceeded, thereby generating the plurality of tuning recommendations for a particular subset of database query language statements of said subset of database query language statements, each tuning recommendation of said plurality of tuning recommendations being a tuning recommendation for a particular database query language statement of said subset of database query language statements.
24. The computer-readable storage medium of claim 16 , wherein the tuning the subset of database query language statements is performed until one or more time periods are reached or exceeded, thereby generating the plurality of tuning recommendations for a particular subset of database query language statements of said subset of database query language statements, each tuning recommendation of said plurality of tuning recommendations being a tuning recommendation for a particular database query language statement of said subset of database query language statements. 25. The computer-readable storage medium of claim 24 , wherein the enabling said each tuning recommendation against said database causes a number of database changes, wherein the number of database changes is below a maximum number of database changes.