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Basic Mathematical Concepts
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4NF relations analyst anomalies in storage application program association attribute collection binary relation C-name C2 Chem Candidate Key CK Cartesian product Chapter CODASYL codomain composition conceptual data model conceptual model conceptual objects connectivity matrix corresponding course Data Base data item types database management system defined denoted derived determine directed graph domain elementary relations elements employee Enrolment entity set entity types example external data model Figure foreign key fully functionally dependent global logical model Hence hierarchical internal model machine mapping Math means mini world minimal cover multivalued dependence n-tuple node non-prime attribute optimal 4NF ordered pairs particular pointers primary key procedure professor project operations real world record occurrence record type relation Student-b relations R1 relationship attributes relationship set represents Satisfactory S2 Section segment type set type storage operations stored data student subschema SUPPLIER tion transitive closure transitively dependent tuple types of information updating users values