al salam alekom

please i have a question i wish that any one know about this helps me and i will be very grateful for for all of you

what does GRID mean as a concept?
and in the 10G G means grid does it has the same mean??

also clusterd and warehousing what do these words mean in the point of view of datbase??
thank you

Grid computing enables you to create a single IT infrastructure that can be shared by all your business processes. Oracle 10g software is specifically designed for grid computing, delivering a higher quality of service to those business processes at a much lower cost

http://www.oracle.com/technology/tech/grid/index.html

cluster is a group of tightly coupled computers that work together closely so that in many respects they can be viewed as though they are a single computer. The components of a cluster are commonly, but not always, connected to each other through fast local area networks. Clusters are usually deployed to improve performance and/or availability over that provided by a single computer, while typically being much more cost-effective than single computers of
for more visit:
http://www.oracle.com/database/rac_home.html

for warehousing visit
http://www.dbazine.com/datawarehouse/dw-articles/rittman5

gazak allah kher