Examlex
A form of denormalization where the same data are purposely stored in multiple places in the database is called:
Ionizing Radiation
Radiation with enough energy to remove tightly bound electrons from atoms, thus creating ions, and can lead to chemical changes and damage biological tissues.
Mutation
describes a change in the DNA sequence within a gene or chromosome of an organism leading to the creation of a new character or trait not found in the parental type.
DNA
Deoxyribonucleic acid, the molecule carrying genetic instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses.
Physical Change
A type of change in which the form of matter is altered but one substance is not transformed into another, maintaining the material's chemical properties.
Q3: When would it be appropriate to use
Q6: An enterprise key is a foreign key
Q16: An attribute (or attributes) that uniquely identifies
Q19: RDBMSs store database definition information in system-created
Q28: Informational systems are designed for all of
Q46: Discuss the difference between transient data and
Q55: Data from prior systems is converted to
Q68: When determining the size of a fact
Q82: The relational data model does, at this
Q99: Transient data are never changed.