Accountnumbersforaccountsthatdont

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Unformatted text preview: hat
holds
account,
customer
 pairs
 2
 11/15/12
 •  Customers
and
their
bank
accounts
are
linked
 via
the
registra)on
table
–
this
is
a
rela)on:
 •  We
could
put
this
informa)on
in
one
big
table,
 but
this
would
introduce
redundancy.
 
 •  There
can
be
speed
and
memory
advantages
 to
working
with
the
smaller
tables,
extrac)ng
 just
the
informa)on
we
need.
 No)ce:
 Account
201
 appears
twice
 Customer
3
 appears
three
 )mes
 Warmup
 •  The
names
and
addresses
of
all
customers.

 Examples
of...
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This note was uploaded on 05/08/2013 for the course STAT 133 taught by Professor Staff during the Fall '08 term at University of California, Berkeley.

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