Database Systems Practice Test 23
Set Operations Quiz Questions with Answers PDF Download - 23
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The Set Operations Trivia Questions and Answers PDF (Set Operations Quiz Answers PDF e-Book) download Ch. 15-23 to solve Database Systems Practice Tests. Learn Introduction to SQL MCQ Questions PDF, Set Operations Multiple Choice Questions (MCQ Quiz) for online information technology certification. The Set Operations Trivia App Download: Free learning app for dbms design process, failure classification in dbms, set operations test prep to learn online certificate courses.
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Set Operations Quiz with Answers PDF Download: MCQs 23
The SQL set operations include
- Union
- Intersect
- Except
- All of the Above
The predicated that succeeds if the value on which it is applied is not null, is known to be
- Is Not Null
- Is Null
- Not Null
- Null
The error that causes loss of the data of volatile storage, and halts the transaction processing is known as
- System error
- Application error
- System crash
- Transaction error
Mapping of conceptual schema using the entity-relationship model into a relation schema, is achieved at the stage
- Physical-design phase
- Contextual-design phase
- Virtual-design phase
- Logical-design phase
Durability can be ensured in different
- 2 ways
- 3 ways
- 4 ways
- 5 ways
Database Systems Exam Prep Tests
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