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google search
Google search results:
1: https://www.javatpoint.com/dbms-mcq
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2: https://www.studytonight.com/dbms/generalization-and-specialization.php
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3: https://mahtoamit.com/mcq-on-database-management-system/
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4: https://www.mcqsquestions.com/2017/11/dbms-mcq-questions-with-answers-set-5.html
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5: https://creately.com/blog/diagrams/class-diagram-relationships/
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6: https://www.siteforinfotech.com/2012/12/solved-mcq-of-database-management.html
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7: https://www.comp.nus.edu.sg/~lingtw/cs4221/er.pdf
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8: https://letsfindcourse.com/technical-questions/dbms-sql-mcq/entity-relationship-model
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9: https://worldwidescience.org/topicpages/m/multiple-choice+test+questions.html
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10: https://www.theserverside.com/quiz/10-microservices-quiz-questions-to-test-your-knowledge
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11: https://quizlet.com/198062627/databases-flash-cards/
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