DEVICE AND METHOD FOR DATA BASE MANAGEMENT

PURPOSE: To provide a multithread type data base managing device and its method which enable a preferential execution to a specific thread by performing a priority level control. CONSTITUTION: When there is a thread which is newly generated by a priority level control means 4, a dispatch means 1 sets a priority level for this thread. A thread having high priority is selected out of all executable threads according to the priority and the thread is executed. Thus, the dispatch means 1 assigns a CPU time according to the priority, so a data base system is provided which can effectively execute the work.