Question about "Accesses" in regards to cache statistics

[john doed]

From the DBM GUI:

vI am viewing the hit rate statistics for data, catalog and sequence caches. 
  There are the following fields:

Accesses, Successful, Unsuccessful, etc.

What exactly is an "access"?  For example, in one activity, my app may send 
only 5 SQL statements to the DB and this will increases Accesses by 400-800. 
  Why is "Accesses" incremented by such large values for only a few SQL 
statements?

I just want to make sure this is normal and not something I'm missing in my 
app.

Thanks



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