Database Systems Certification MCQs – Practice Test 3 (Chapter 22)
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The "SQL Interview Questions and Answers Quiz" App Download (iOS & Android): SQL expresses an insertion operation as; MCQ with answers: insert to r, insert into r, insert for r, and insert in r. Study Concurrency Control Concept in DBMS Quiz Questions, download Google Book (Free Chapter) for DBMS MCQ practice.
MCQ 11: We may wish to change a value in a tuple without changing all values in the tuple. For this purpose, the statement to be used is:
MCQ 12: SQL expresses an insertion operation as:
MCQ 13: SQL handles queries on relations containing null values by adding the truth value:
MCQ 14: To avoid the problem with the order of updates, SQL provides a:
MCQ 15: The "Bulk loader" utilities allow data to be read from:
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