Java Database Connectivity (JDBC) MCQ (Multiple Choice Questions) PDF - 146

MCQ 726: The alternative method for committing automatic transactions, is

1. conn.setAutoCommit(true)
2. conn.setAutoCommit(false)
3. conn.rollback()
4. Both A and C

MCQ 727: The set differences are taken between

1. Compatible relations
2. Incompatible relations
3. Integrated relation
4. Consistent relations

MCQ 728: A common use of subqueries is to perform tests for set membership, and

1. Set comparisons
2. Set cardinality
3. Both A and B
4. Select distinct values

MCQ 729: For deadlock prevention, when we use an ordering of data items, the request locks are sequenced in

1. Consistent with access
2. Consistent with relation
3. Consistent with ordering
4. Consistent with execution

MCQ 730: The prepared statements specify that the actual values will be provided

1. Later
2. Compile time
3. At output window
4. By the processor