The completeness constraint may be one of the following: Total generalization or specialization, Partial generalization or specialization. Which is the default?

Related MCQs

• Consider the employee work-team example, and assume that certain employees participate in more than one work team. A given employee may therefore appear in more than one of the team entity sets that are lower level entity sets of employee. Thus, the generalization is                            
• Which of the following terms does refer to the correctness and completeness of the data in a database?
• Which of the following terms does refer to the correctness and completeness of the data in a database?
• _____________ refers to the correctness and completeness of the data in a database?
• _____________ refers to the correctness and completeness of the data in a database?
• A                    integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• A                            constraint requires that an entity belong to no more than one lower- level entity set.
• One solution to the multivalued dependency constraint problem is to:
• A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• One solution to the multivalued dependency constraint problem is to: