Lock Based Protocols Practice Test PDF Download eBook p. 258
Learn Lock based protocols mock test for exam, lock based protocols MCQ with answers pdf to solve data science test 258 for online job interview. Practice Concurrency Control Trivia Questions and answers, lock based protocols Multiple Choice Questions (MCQ) for online DBMS, DBA. Free lock based protocols MCQs, relational databases, history of database systems, relational algebra, transaction model, lock based protocols test prep for software engineering online courses.
"The data item may be locked by", lock based protocols Multiple Choice Questions (MCQ) with choices 3 modes, 2 modes, 4 modes, and 5 modes for online degree programs. Learn concurrency control questions and answers with free online certification courses for software engineering online courses.
Trivia Quiz on Lock Based Protocols PDF Download eBook
MCQ: The data item may be locked by
- 2 modes
- 3 modes
- 4 modes
- 5 modes
A
MCQ: For an individual transaction ensuring consistency is the responsibility of
- Process itself
- System programmer
- Database integrity manager
- Application programmer
D
MCQ: The rename operation of any relational algebra is
- Strictly required
- Not strictly required
- Dependent
- Complex
B
MCQ: Relational databases had become competitive with network and hierarchical database systems even in the area of performance, in
- 1960s
- 1970s
- 1980s
- 1990s
C
MCQ: A query takes as input several tables and returns a
- Multiple Records
- Multiple Schemas
- Multiple tables
- Single table
D