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Chapter 10: Database Systems Exam Tests
Database Systems MCQs - Chapter 10
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The MCQ: Projection that allows extension of operations, i.e. arithmetic and string functions to be used in the projection list, is known as; "Formal Relational Query Languages" App Download Android & iOS (Free) with answers extended projection, embedded projection, generalized projection and aggregation projection for online SQL language certification. Practice relational algebra quiz questions, download Apple Book (Free Sample) for computer information science.
MCQ 6: The projection that allows extension of operations, i.e. arithmetic and string functions to be used in the projection list, is known as
MCQ 7: The set difference operation is ensured to be applied over compatible data, just like
MCQ 8: Aggregate functions can operate over multiple occurrences of a value, known to be
MCQ 9: The second extended relational-algebra operation is the
MCQ 10: Attributes are listed that are desired to appear in the result list as a subscript to
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