Database Systems MCQs – Practice Test 2 (Chapter 15)
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Download Introduction to SQL Study App (iOS & Android) with MCQ: "Command that is used to add attributes to an existing relation, is said to be"; with answers: modify, alter, tailor, and eliminate. Practice DBMS for Competitive Exams Quiz Questions, download Apple Book (Free Chapter) to complete database tutorials.
MCQ 6: The command that is used to add attributes to an existing relation, is said to be:
MCQ 7: A subquery that uses a correlation name from an outer query is called a:
MCQ 8: The term that allows specification of not only a set of relations, but also information about each relation, is known as:
MCQ 9: When comparing a char type with a varchar type, one may expect extra spaces to be added to the:
MCQ 10: SQL uses the special keyword in a predicate to test for a null value:
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