Free MCQsLearn App Download - Java Database Connectivity (JDBC) Quiz Questions and Answers PDF Download eBook p. 211
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Quiz on Java Database Connectivity (JDBC) PDF Download eBook
MCQ: The step that requires to select which database to use, is done at the
- Shipping SQL statements
- Open a connection
- Executing the query
- Retrieving the query
B
MCQ: The domain relational calculus have a language of type
- Procedural
- Nonprocedural
- Structured
- Formal
B
MCQ: A set of rules applied over a transaction that may lock and unlock each of the data items in the database, is known to be
- Unlocking protocol
- Locking protocol
- Deadlock protocol
- Validation protocol
B
MCQ: The DBA periodically manages a backup of the database, in the form of
- Tapes
- Remote servers
- Both A and B
- Cloning
C
MCQ: SQL permits a privilege to be granted by a role rather than by a
- Administrator
- Developer
- Authorizer
- User
D