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Healthc Inform Res > Volume 4(2); 1998 > Article
Journal of Korean Society of Medical Informatics 1998;4(2):43-48.
DOI: https://doi.org/10.4258/jksmi.1998.4.2.43    Published online December 31, 1998.
The Superiority of M-Technology for the Hospital Information System: III. comparison of system performance between Relational Database Management System and M-Technology (Superiority of M in HIS)
Joyce H Jeon, Yun Sik Kwak, Hune Cho, Hyung Soo Kim
1Medical Information Research Center, Ajou University Medical Center, Suwon, Korea.
2Daewoo Information Systems Co., Ltd., Seoul, Korea.
3Division of Geriatrics Case Western Reserve University School of Medicine, Cleveland, OH, USA.

In 1994, Ajou University Medical Center implemented a hospital information system with a relational database management system(Ingres) and underwent migration using newly improved M technology in 1996. In this paper, a comparison study of database performance between M and RDBMS is presented. Three different types of comparative studies were carried out on the performances of Ingres, Oracle 7.1 (Oracle) and M-Technology(Mumps). Two types of M are adopted to compare with Ingres: Standard M and Open M. The open M was used for DBMS and Standard M was used for writing applications. The system response time was compared by a simple bulk test in a simulated HIS environment. It was found that the performance of Open M was about 100 times faster than that of Ingres. In the live HIS environment, the performance of Open M was found to be 2-8 times faster than Ingres depending on the number of globals involved in the processing of transactions. The performance of Standard M and MSM-SQL was compared with that of Oracle by a simple bulk test in a simulated HIS environment and found that Standard M was more than 100 times faster than Oracle and MSM-SQL was on an average. 1.7 times faster than Oracle. The M was faster than Ingres and Oracle. Despite the cons of RDBMS already discussed, we have found very few pros of RDBMS if M is applied. We have found that conventional RDBMS requires redundant hardware resources which result in slow processing time which HIS manifests in a serious bottleneck during the course of our development and implementation. The performance of M strongly implies that M is most appropriate DB in a HIS environment.

Key Words: HIS, M-Technology, RDBMS
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