Database Management Interfaces Quiz with Answers PDF Download – Test 77

The diagrams in unified modified language which includes executable component, interfaces and dependency relationships are called

1. object diagrams
2. package diagrams
3. deployment diagrams
4. component diagrams

The joining property which guarantees that spurious tuple generation problem is not created after decomposition is called

1. lossless join property
2. nonadditive join property
3. additive join property
4. both a and b

The computing model in which the large number of printers, PCs, Web servers and database servers are connected to each other with the help of network is classified as

1. client ⁄ server architecture
2. host ⁄ compiler architecture
3. client ⁄ module architecture
4. application ⁄ terminal architecture

The IS-AN-INSTANCE-OF and IS-A-MEMBER-OF are types of relationships to associate

1. object instance to object class
2. leaf instance to node class
3. union instance to object class
4. intersect instance to object class

The operator which is useful for a single relation is classified as

1. comparative operator
2. unary operator
3. ternary operator
4. functional clause operator