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The Object Oriented Model
Architecture of the Proposed Environment
5 other sections not shown
abstract data types application architecture associative entities attribute names behavioural complex objects component databases component entities composite link comprises conceptual schema considered constraints contain created creation data models database systems DBMS declarative dependent component discussion EFDM Employee enum equivalent evaluation example execution existing fact federated federated architecture foreign key functional global component global conceptual entity global database global entities global lattice global level global model global query language global system globally arrived query GneA hierarchy identifier implementation inheritance instance objects instance variables instantiated integration Is_Part_Of mapping methodology multiple inheritance object instances object oriented modeling object type definition object-oriented operations optional property performed present section present study problems query optimization query refers query statement relational relationships representation representing RM/T semantics Set_Of shown in Figure structure sub-lattice sub-query sub-type Supp.QL supported terminal symbol TIC instances transformation truck instance tuples type lattice typeid users values