285
IBM DB2 UDB for iSeries XML Extender Administration and Programming Version 8 SC18-9179-00
IBM
DB2
UDB
for
iSeries
XML
Extender
Administration
and
Programming
Version
8
SC18-9179-00
IBM
DB2
UDB
for
iSeries
XML
Extender
Administration
and
Programming
Version
8
SC18-9179-00
Note
Before
using
this
information
and
the
product
it
supports,
please
read
the
general
information
under
Notices
on
page
265.
First
Edition
(May
2004)
This
edition
applies
to
Version
5
Release
3
of
IBM
DB2
Database
Extenders
for
iSeries
Version
5
Release
3,
5722-DE1,
and
to
all
subsequent
releases
and
modifications
until
otherwise
indicated
in
new
editions.
This
edition
applies
only
to
reduced
instruction
set
computer
(RISC)
systems.
Copyright
International
Business
Machines
Corporation
1999,
2004.
All
rights
reserved.
US
Government
Users
Restricted
Rights
Use,
duplication
or
disclosure
restricted
by
GSA
ADP
Schedule
Contract
with
IBM
Corp.
Contents
Tables
.
.
.
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.
.
. vii
About
this
book
.
.
.
.
.
.
.
.
.
.
. ix
Who
should
use
this
book
.
.
.
.
.
.
.
.
. ix
How
to
get
a
current
version
of
this
book
.
.
.
. ix
How
to
use
this
book
.
.
.
.
.
.
.
.
.
.
. ix
Highlighting
conventions
.
.
.
.
.
.
.
.
.
. x
How
to
read
syntax
diagrams
.
.
.
.
. xi
Part
1.
Introduction
.
.
.
.
.
.
.
.
. 1
Chapter
1.
Introduction
.
.
.
.
.
.
.
. 3
Introduction
to
XML
Extender
.
.
.
.
.
.
.
. 3
XML
Documents
.
.
.
.
.
.
.
.
.
.
.
.
. 3
How
XML
data
is
handled
in
DB2
.
.
.
.
.
.
. 4
Features
of
XML
Extender
.
.
.
.
.
.
.
.
.
. 4
XML
Extender
tutorial
lessons
.
.
.
.
.
.
.
. 7
Prerequisites
.
.
.
.
.
.
.
.
.
.
.
.
. 7
Scenario
for
the
lessons
.
.
.
.
.
.
.
.
.
. 7
Lesson:
Storing
an
XML
document
in
an
XML
column
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 8
Lesson:
Composing
an
XML
document
.
.
.
.
. 17
Part
2.
Administration
.
.
.
.
.
.
. 29
Chapter
2.
Administration
.
.
.
.
.
. 31
Administration
tools
for
XML
Extender
.
.
.
.
. 31
Administrationdetails
.
.
.
.
.
.
.
.
.
. 31
The
XML
operating
environment
on
iSeries
.
.
. 31
Preparing
to
administer
XML
Extender
.
.
.
. 32
Migrating
XML
Extender
from
Version
7
to
Version
8
.
.
.
.
.
.
.
.
.
.
.
.
.
. 33
Setting
up
XML
Extender
samples
and
the
development
environment
for
iSeries
.
.
.
.
. 35
Creating
an
SQL
collection
(schema)
for
the
samples
.
.
.
.
.
.
.
.
.
.
.
.
.
. 36
Setting
up
administration
tools
for
iSeries
.
.
. 36
Setting
up
the
tutorial
environment
for
iSeries
.
. 38
XML
Extender
administration
planning
.
.
.
. 38
Access
and
storage
methods
.
.
.
.
.
.
.
. 39
When
to
use
the
XML
column
method
.
.
.
. 40
When
to
use
the
XML
collection
method
.
.
. 41
Planning
for
XML
columns
.
.
.
.
.
.
.
. 41
Planning
for
XML
collections
.
.
.
.
.
.
. 42
Validating
XML
documents
automatically
.
.
. 51
Enabling
a
database
for
XML
.
.
.
.
.
.
. 52
Creating
an
XML
table
.
.
.
.
.
.
.
.
.
. 53
Storing
a
DTD
in
the
repository
table
.
.
.
.
. 54
Enabling
XML
columns
.
.
.
.
.
.
.
.
. 54
Planning
side
tables
.
.
.
.
.
.
.
.
.
. 58
Indexing
side
tables
.
.
.
.
.
.
.
.
.
. 59
Composing
XML
documents
by
using
SQL
mapping
.
.
.
.
.
.
.
.
.
.
.
.
.
. 59
Composing
XML
collections
by
using
RDB_node
mapping
.
.
.
.
.
.
.
.
.
.
.
.
.
. 62
Decomposing
an
XML
collection
by
using
RDB_node
mapping
.
.
.
.
.
.
.
.
.
. 65
Part
3.
Programming
.
.
.
.
.
.
.
. 69
Chapter
3.
XML
columns
.
.
.
.
.
.
. 71
Managing
data
in
XML
columns
.
.
.
.
.
.
. 71
XML
columns
as
a
storage
and
access
method
.
.
. 71
Defining
and
enabling
an
XML
column
.
.
.
.
. 72
Using
indexes
for
XML
column
data
.
.
.
.
.
. 73
Storing
XML
data
.
.
.
.
.
.
.
.
.
.
.
. 74
Default
casting
functions
for
storing
XML
data
75
Storage
UDFs
for
storing
XML
data
.
.
.
.
. 75
Method
for
retrieving
an
XML
document
.
.
.
. 76
Retrieving
an
entire
XML
document
.
.
.
.
. 77
Retrieving
element
contents
and
attribute
values
from
XML
documents
.
.
.
.
.
.
.
.
.
. 78
Updating
XML
data
.
.
.
.
.
.
.
.
.
.
. 80
Updating
an
entire
XML
document
.
.
.
.
. 80
Updating
specific
elements
and
attributes
of
an
XML
document
.
.
.
.
.
.
.
.
.
.
.
. 81
Methods
for
searching
XML
documents
.
.
.
.
. 82
Searching
the
XML
document
by
structure
.
.
. 82
Deleting
XML
documents
.
.
.
.
.
.
.
.
.
. 84
Limitations
when
invoking
functions
from
Java
Database
(JDBC)
.
.
.
.
.
.
.
.
.
.
.
.
. 84
Chapter
4.
Managing
data
in
XML
