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Question : WHAT'S THE DIFFERENCE BETWEEN NATURAL KEYS AND surrogate keys
WHAT'S THE DIFFERENCE BETWEEN NATURAL KEYS AND surrogate keys and also various practises of using keys in dimensional model vs normalized (oltp) model and vs OLAP model and various techniques of denormailizing a normalized model
Answer : WHAT'S THE DIFFERENCE BETWEEN NATURAL KEYS AND surrogate keys
Some examples are here:
http://books.google.cz/boo
ks?id=wKNf
THRNkLAC&p
g=PA211&
lp
g=PA211&dq
=surrogate
+key+foxpr
o&source=b
l&ots=_ZbX
pRWj2H&
sig
=aNQb1QrT5
pmWmdMOvSi
asCAH4wI&h
l=cs&ei=V6
39S-
rtHaHC
mgP_stDdCQ
&sa=X&oi=b
ook_result
&ct=result
&resnum=3&
ved=0CCEQ6
AEwAg#v=on
epage&q=su
rrogate%20
key%20foxp
ro&f=false
http://searchsqlserver.tec
htarget.co
m/feature/
What-are-
s
urrogate-k
ey-values
Also you may read:
http://en.wikipedia.org/wi
ki/Surroga
te_key
,
http://en.wikipedia.org/wi
ki/Natural
_key
http://www.sqlmag.com/arti
cle/data-m
odeling/su
rrogate-ke
y-vs-
natur
al-key.asp
x
http://decipherinfosys.wor
dpress.com
/2007/02/0
1/surrogat
e-
keys-vs-
natural-ke
ys-for-pri
mary-key/
http://sqlblogcasts.com/bl
ogs/tonyro
gerson/arc
hive/2006/
05/
11/427.
aspx
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