Provided with a home location register management system in a mobile radio communication system, the system including: a processor for analyzing an input signal and sensing the inherent attributes of information included in the input signal; a plurality of application programs receptive to the output signal of the processor to output database management commands based on the attributes; and a plurality of direct memory access query interfaces receptive to the output signals of the plural application programs to have access to a database related to the task of the corresponding application processor based on the attributes, at least two direct memory access query interfaces having access to the database simultaneously to perform an operation for managing the database.