Database Systems Practice Test 258
Lock Based Protocols MCQs (Multiple Choice Questions) PDF Download - 258
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The Lock Based Protocols Multiple Choice Questions (MCQ) with Answers PDF (Lock Based Protocols MCQs PDF e-Book) download Ch. 3-258 to study Database Systems Practice Tests. Study Concurrency Control quiz answers PDF, Lock Based Protocols Multiple Choice Questions (MCQ Quiz) for online computer science degrees. The Lock Based Protocols MCQs App Download: Free Database Systems App to study relational databases, history of database systems, relational algebra, transaction model, lock based protocols test prep for computer science associate degree.
The MCQs: The data item may be locked by; "Lock Based Protocols" App (Android, iOS) with answers: 3 modes, 2 modes, 5 modes, and 4 modes for online computer science degrees. Practice Concurrency Control Questions and Answers, Google eBook to download free sample for top computer science schools.
Lock Based Protocols MCQ with Answers PDF Download: Quiz 258
The data item may be locked by
- 2 modes
- 3 modes
- 4 modes
- 5 modes
For an individual transaction ensuring consistency is the responsibility of
- Process itself
- System programmer
- Database integrity manager
- Application programmer
The rename operation of any relational algebra is
- Strictly required
- Not strictly required
- Dependent
- Complex
Relational databases had become competitive with network and hierarchical database systems even in the area of performance, in
- 1960s
- 1970s
- 1980s
- 1990s
A query takes as input several tables and returns a
- Multiple Records
- Multiple Schemas
- Multiple tables
- Single table
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