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Foundations of Databases
The Logic of the Database Environment
Data Structures and Data Models
12 other sections not shown
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actually allows alternative analysis application approach appropriate associations attributes becomes called clause column command communication complete components conceptual considered contain corresponding course create data items database database design Date DBMS defined definition delete dependence dictionary discussed domain duplicate elements employees enables entity environment establish example existing Figure functionally dependent given GROUP HOSPITAL identify implemented independent insert integrated internal join language Location logical schema manipulation necessary normal form object offers operations organisation owner physical possible presented primary key processing produce publisher query record occurrences record types redundancy referred relation relationships represents result retrieve SELECT single specified speech statements storage stored structure SUBJECT subschema tasks tuples unique unit update values views