3. The computer-implemented method of claim 1 , wherein the tuning the plurality of database query language statements until the one or more time periods are reached or exceeded includes at least one of: tuning a single database query language statement of said plurality of database query language statements until a particular time period of said one or more time periods is reached or exceeded; or tuning two or more database query language statements of said plurality of database query language statements until a single time period of said one or more time periods is reached or exceeded.
4. The computer-implemented method of claim 3 , wherein the single time period is tracked by an independent and separate mechanism from a mechanism performing the tuning.