APEX supports a flexible architecture. That means that there are multiple ways of solving problems like: separation of data and logic, security issues, re-use, including javascript and CSS, etc. etc. In this session I'll give the pro's and cons of each available option. As this is aimed to be an interactive session, the attendees are encouraged to put forward their own ideas - and concerns. So, maybe, in the end, we'll reach the "Ultimate APEX Application Architecture"!

1. Striving
for
Perfec.on
-­‐
Title
The
Ul.mate
APEX
Applica.on
Architecture
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2. zaterdag 18 februari 12

3. zaterdag 18 februari 12

4. What
about
me?
• Oracle
since
v5,
Forms
2.3,
Case*Designer
etc
• Presenter
at
UKOUG,
OOW,
Collab
,
ODTUG,
etc..
• Oracle
ACE
Director
[DB
Dev]
• Co-­‐author
of
Expert
Oracle
Applica.on
Express
ROELHARTMAN.BLOGSPOT.COM
ROELH
zaterdag 18 februari 12

5. What
is
So2ware
Architecture?
The
set
of
structures
needed
to
reason
about
the
system,
which
comprise
soPware
elements,
rela.ons
among
them,
and
proper.es
of
both.
Wikipedia
(so
it
must
be
true)
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6. What
is
So2ware
Architecture?
The
fundamental
organiza.on
of
a
system
embodied
in
its
components,
their
rela.onships
to
each
other,
and
to
the
environment,
and
the
principles
guiding
its
design
and
evolu.on.
IEEE
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7. What
is
So2ware
Architecture?
The
set
of
decisions
the
soPware
architect
makes.
"What
decisions
does
the
so=ware
architect
make?"
The
architecturally
significant
ones.
"What
is
architecturally
significant?"
The
architect
decides!
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8. Pick
the
right
building
blocks
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9. And
use
them
-­‐in
the
right
way
-­‐on
the
right
spot
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10. zaterdag 18 februari 12

11. zaterdag 18 februari 12

12. Different
outcome
Using
similar
building
blocks
Serving
the
same
goal
STYLE
Building
Fonts
Clothing
Software
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13. What
do
you
see?
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14. What
do
you
see?
Viewpoint
+
Interest
=
View
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15. (Why)
Is
it
important?
"The
so=ware
architecture
you
marry
in
haste
will
be
there
for
you
to
repent
at
leisure.“
Mary
Shaw
and
David
Gafrlan
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16. zaterdag 18 februari 12

17. Business
Management Informa.on
Technical
/
Viewpoints
Applica.on
Opera.onal
Data Integra.on
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18. Quality
ADributes
(interest)
• fault-­‐tolerance
• backward
compaFbility
• extensibility
• reliability
• maintainability
• availability
• security
• usability
• and
such
other
–
iliFes
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19. Quality
ADributes
(interest)
• fault-­‐tolerance
a l
• backward
compaFbility
o n
• extensibility . ts
c n
• reliability
u n e
• maintainability
F m
n re
•
•
availability
security o i
N qu
•
•
usability
re
and
such
other
–
iliFes
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20. Back
to
the
APEX
world
…
Sponsor End
User Project
Lead Developer
(you?)
Usability
Security
Maintainability
Performance
Reliability
Timing
Costs
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21. 3-­‐layer
approach
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22. All
PL/SQL
in
the
database
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23. All
JS/CSS/Images
in
one
file
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24. All
Apps
in
one
workspace
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25. As
“Web
2.0”
as
possible
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26. Normalized
data
model
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27. Comment
all
code
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28. 101%
availability
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29. What
do
you
need?
Goal
Tools
Skills
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30. Buy
this
Book
zaterdag 18 februari 12

31. QuesFons?
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32. Don't
over
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architecture

33. Don't
under
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architecture

34. Striving
for
excellence
mo.vates
you;
striving
for
perfec.on
is
demoralizing.
Harriet
Beryl
Braiker
zaterdag 18 februari 12

35. Thank
you
Logica
|
Meander
901
P.O.
Box
7015
|
6801
HA
Arnhem
|
The
Netherlands
|
www.logica.com
Contact:
Roel
Hartman
-­‐
Lead
Technical
Architect
Oracle:
+31
(0)
26
3765
000
M:
+31
(0)
6
2954
3729
E:
roel.hartman@logica.com
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slides
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2012
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