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DATABASE MANAGEMENT SYSTEMS
Database Management System (DBSM) are an intetgrated and crucial component of most successful GIS. DBMS are used to store, manipulate and retrieve data from a database. A key element in creating a spatial database design using a variety of data modelling techniques. Although the range of DBMS structures used in GIS includes inverted list, hierarchical, network and relational designs, it is the latter which has come to dominate the field.