Object-Oriented Data Modeling – True or False
1. A method defines the form or protocol of the operation, but not its implementation. A. True B.…
Object-Oriented Data Modeling – General Questions
1. The fact that the same operation may apply to two or more classes is called what? A.…
Data and Database Administration – True or False
1. To build a data warehouse and develop business intelligence applications, it is important that an organization build…
Data and Database Administration – General Questions
1. Poor data administration can lead to which of the following? A. A single definition of the same…
The Internet Database Environment – True or False
1. Most plug-ins download slowly because they are rather large files. A. True B. False 2. The World…
The Internet Database Environment – General Questions
1. An intrusion detection system does not perform which of the following? A. Tries to identify attempts to…
Advanced SQL – True or False
1. Triggers are stored blocks of code that have to be called in order to operate. A. True…
Advanced SQL – General Questions
1. What type of join is needed when you wish to include rows that do not have matching…
Logical Database Design – True or False
1. An enterprise key is a primary key whose value is unique for a given relation. A. True…
Logical Database Design – General Questions
1. The entity integrity rule states that: A. no primary key attribute may be null. B. no primary…