views:

26

answers:

0

I need to match the given words with their suitable meaning. Please help me as these words are very confusing to me.from " Unique identifier" to " Create-object operation", please find their meaning from a list given below.

Problem 1 For each of the terms in the left-hand column below, select the term in the righthand column that best matches it. You may use each of the items in the right-hand column at most once.

__________ Unique identifier
__________ Polymorphic type system
__________ Value type in CIOM
__________ Subtype in CIOM
__________ Semantic integrity constraint
__________ Ontology
__________ Relational domain
__________ Composition of attributes
(eg. A1.A2.A3)
__________ Predicate-defined subtype
__________ Create-object operation


1. Set of current values
2. Database concurrency
3. Relational completeness
4. Object can have many types
5. One-to-one, non-null attribute and inverse
6. Multiple values
7. Set of possible values
8. Restricts valid database states and transitions
9. Instances by expression on attributes
10. Inherits properties
11. Carson Palmer
12. Object has one type
13. Set of atomic data values
14. Single value
15. Friends’ friends’ names
16. Constructs new information unit
17. Concepts and inter-relationships
18. Extended ER model