Database Transactions Quiz Questions and Answers PDF - 369

MCQ 1841: Transaction rollback is useful if during execution of transaction some detection of

1. Error condition
2. Flow control
3. Data control
4. Error Response

MCQ 1842: The JDBC Connection interface allows the automatic behavior to be turned on or off, by the method

1. setAuto()
2. setNoAuto()
3. setAutoCommit()
4. setCommit()

MCQ 1843: The conformance that requires support for fetching information about the catalog, is on the level

1. Level 1
2. Level 2
3. Level 3
4. Level 4

MCQ 1844: The UML diagram that shows the interaction between users and the system, is known as

1. Activity diagram
2. E-R diagram
3. Use case diagram
4. Class diagram

MCQ 1845: At the result of the left outer join, the present information is from the

1. Right relation
2. Left relation
3. Combination of relations
4. Left and right relation