Database Systems Exam MCQs – Practice Test 12 (Chapter 1)

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Free Advanced SQL Study App Download: A relation that is been used for data analysis, can be identified by some of its attributes as; MCQ with answers: mix attributes, monitor attributes, measure attributes, and compound attributes. Practice DBMS for Competitive Exams Quiz Questions, download Kobo e-Book (Free Chapter) to strengthen knowledge base.

Advanced SQL MCQs – Practice Test 12 PDF Download

MCQ 56: A collection of triggers can be created on each relation to record the changes in relations called:

Temporary relations
Permanent relations
Delta relations
Filter relations

MCQ 57: A relation that is been used for data analysis, can be identified by some of its attributes as:

Monitor attributes
Mix attributes
Measure attributes
Compound attributes

MCQ 58: After turning off the automatic commit, transactions must be committed or rolled back explicitly using the method:

conn.commit()
conn.setCommit()
conn.getCommit()
conn.setAuto()

MCQ 59: In SQL, the primary type of data is the:

Relation
Instances
Attributes
Tuples

MCQ 60: A database programmer must have access to a general-purpose programming language for at least:

1 reason
2 reasons
3 reasons
4 reasons

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