Database Systems Practice Test 301
SQL Data Types and Schemas Quiz Questions and Answers PDF Download - 301
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SQL Data Types and Schemas Questions and Answers PDF Download: MCQ 301
We can create schemas by means of
- Define schema
- Create schema
- Generate schema
- Select schema
A property of entity sets created by specialization and generalization is known as
- Entity inheritance
- Sets inheritance
- Relational inheritance
- Attribute inheritance
Internal logical error can be eliminated by
- Overwriting
- Rewriting
- Restarting
- Terminating
Digital signatures serve to ensure
- User certification
- Repudiation
- Nonrepudiation
- Authorization
Recursive queries can be used to express
- Triggers
- Traffic closure
- Recursion
- Transitive closure
Database Systems Exam Prep Tests
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SQL Data Types and Schemas Practice Tests
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