sends the request of registration in the system message reception queue to the queue control section 8 by way of the transaction reception processing section 6 in fig1 after the transaction has been registered in the system message reception queue by the above operation it becomes a transaction under control of the data communication management system step 614 records the current statuses of the batch message queue in the batch transaction table after that when a transaction to be batch processed is selected in the system message reception queue by the data communication management system control is transferred to the application program control section 11a in the application program execution section 27 the application program control section determines and loads an application program and reserves resources necessary for the execution of the program it also makes initialization so that the data base management system can run with regard to the application program when the transaction name has been determined by the application program correspondence table in fig7 the name of the application program to be executed is determined uniquely in the figure 404 is the column of transaction name and 405 is of application program name the application program correspondence table is referred to by 13b in fig1 while 13a is a data dictionary directory file containing resources or resource names necessary for the execution of application programs by use of the data dictionary directory.