Meaning of g in oracle 10g

In oracle 10 g 'g' stands for grid technology but what exactly is the meaning of grid technology..
can somebody tell

What did google say ?

Have your tried for that option ?

Yes i have googled it, it says grid computing provide
resource sharing and automatic load balancing
eg: if database server is full it will create another... This is the idea i got after reading

hello sir
what is the diff. between oracle 9i and
10g

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