JDBC and JAVA MCQ with Answers PDF Download – Test 4

MCQ 16: A Java application program does not include declarations for:

1. Data stored in database
2. Data retrieved of database
3. Data executed
4. Data manipulated

MCQ 17: The designer can review the schema to ensure it meets all the functional requirements, at the stage:

1. Conceptual design
2. Execution design
3. Controlling design
4. Initial Planning

MCQ 18: The relationship between the weak entity set and the identifying entity set's association is known as:

1. Owner relationship
2. Existence relationship
3. Dependency relationship
4. Identifying relationship

MCQ 19: Once a transaction has executed commit work, its effects can no longer be undone by:

1. Trace work
2. Transmit work
3. Rollback work
4. Traceback work

MCQ 20: To refer to a specific instance of a relation in the relational model, the term used is known as:

1. Relation instance
2. Relation entity
3. Relation tuple
4. Relation attribute