Abstract: A control method in which a computer executes processing includes: specifying a first data group of which a processing load of a query is less than a first reference value, in a first data constellation, based on statistical information that indicates a statistical value regarding the processing load of the query, for each data group to be an access unit of the query, in the first data constellation included in a first execution environment included in a plurality of execution environments that has different data constellations; specifying a second execution environment that has a second data constellation that includes the specified first data group, included in the plurality of execution environments, other than the first execution environment; and controlling the plurality of execution environments to transmit a new query that uses the specified first data group as an access unit to the specified second execution environment.

Abstract: An information processing method includes: specifying a number of data of data respectively falling within one or a plurality of ranges respectively corresponding to a plurality of granularities stored in a memory in association with a specific identifier among a plurality of data; and determining a granularity of data of when outputting information regarding the specific identifier according to whether the number of data respectively falling within all the ranges corresponding to a same granularity in the plurality of granularities is equal to or larger than a predetermined threshold.

Abstract: An aggregation apparatus includes one or more memories and one or more processors configured to identify, in response to receiving an instruction for aggregation, one or more aggregation results related to the instruction from a plurality of aggregation results of a plurality of periods stored in the one or more memories, perform determination of whether the identified one or more aggregation results include a first aggregation result aggregated by using first data at first timing before second timing of the receiving of the instruction, the first data being different from second data at the second timing, perform calculation of a second aggregation result by using the first data, and perform output for the instruction based on the calculated second aggregation result and one or more aggregation results other than the first aggregation result in the identified one or more aggregation results.

Abstract: A flush toilet 1 has a toilet flushing tank device 7 for discharging flushing water to a toilet bowl 2. This tank device is built into a tank storage region 5 to the rear of the toilet bowl 2, and comprises a flushing water tank 8 and a jet pump 13 disposed submerged in this flushing water tank 8. Flushing water (operating water) is supplied to this jet pump 13 via a flush valve 11 and a pipe 12 downstream from this valve. The jet pump 13 comprises a spray nozzle 131 and a throat 132 opposite thereto. Because the jet pump 13 is connected directly to a pipe 14, all of the flushing water jetted from the jet pump 13 passes directly to the pipe 14, and is guided by this pipe 14 to a rim water channel 4b.