Examlex
What is the surrogate key rule for the star schema, and what are the main reasons for this rule?
Deregulation
The process of removing or reducing government regulations and restrictions in an industry, typically with the intention of improving competition and innovation.
Subsidization
The provision of financial assistance by a government or other entity to support or promote a specific industry, commodity, or activity.
Commodification
The process of treating goods, services, ideas, or people as commodities, thus making them subject to trade in a market.
Nationalization
The process by which a government takes control of a previously private sector business or industry.
Q1: Allowing users to dive deeper into the
Q10: Replication is often used for noncollaborative data.
Q12: A logical data mart is a(n):<br>A) data
Q19: A module of code that may be
Q30: The query processor always knows the best
Q47: A repository of information about data is
Q67: A _ is a temporary table used
Q76: Discuss when to use the GROUP BY
Q89: When EXISTS or NOT EXISTS is used
Q104: A deprived attribute, role or association is