Knowbase : International Journal of Knowledge in Database (e-ISSN : 2797-7501 | p-ISSN : 2798-0758) is an international journal published byUniversitas Islam Negeri Sjech M. Djamil Djambek Bukittinggi, West Sumatera, Indonesia. The journal is published twice a year in June and December. Knowbase : International Journal of Knowledge in Database is a peer-reviewed journal that publishes articles which contribute new results in all areas of the database management systems & its applications. The goal of this journal is to bring together researchers and practitioners from academia to focus on understanding Modern developments in this field, and establishing new collaborations in these areas. Authors are solicited to contribute to the journal by submitting articles that illustrate research results that describe significant advances in the areas of Database management systems.