Examlex
In first normal form tables every attribute value is atomic, that is no attribute is multi-valued.
Sea Level
The average height of the ocean's surface, used as a base for measuring elevation and depth on Earth.
Electron Transport Chain
A series of protein complexes that transfer electrons from electron donors to electron acceptors via redox reactions and couples this electron transfer with the transfer of protons across a membrane.
Photosystem II
A component of the photosynthesis process in plants and algae that captures photons and uses the energy to extract electrons from water molecules.
Q10: The data administration group is responsible for
Q21: Database administration is a planning and analysis
Q22: Data in a typical data warehouse may
Q27: Optical disk technology is based on _.<br>A)
Q28: Due to the nature of data, it
Q37: Consider a distributed relational database in which
Q44: When data is distributed in a distributed
Q44: Locks should never be used because of
Q48: A many-to-many unary relationship in an E-R
Q48: Storing a many-to-many relationship in a relational