upgrade from 7.0 to 7.2

Hi,

I am very new to any type of database.  my hosting company has upgraded postgresql to 7.0 to 7.2.  Before upgrade I ran
pg_dumpand pg_dumpall and saved results reseptively in dump.db and dump_all.db.  Now I will like to convert my data to
becompatible with 7.2.  What are the minimum commands to restore my data?? 

I will really appreciate your help.

Thanks
NHT

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