Data
engine supports the following functionality:
·
Single and multiple data queries
·
Query links
·
Parameters
·
Aggregate functions (SUM, AVG, MIN, MAX, COUNT)
·
Event triggers
·
Multiple data groups
XML
output generated by the data engine supports the following:
·
Unicode for XML Output
Unicode is a global character set that allows multilingual
text to be displayed in a single application. This enables you to develop a
single multilingual application and deploy it worldwide.
·
Canonical format
The data engine generates date elements using the canonical
ISO date format: YYYY-MM-DDTHH24:MI:SS.FF3TZH:TZM for a mapped date element,
and ######.## for number elements in the data template XML output.
Data Template Definition:
- Define parameters,
- Define triggers,
- Define data query,
- Define data structure.
This structure is shown as follows:
As shown in the sample figure, the data
template consists of
a <parameters> section in which parameters are
declared in child <parameter> elements;
a <dataQuery> section in
which the SQL queries are defined in child <sqlStatement> elements;
a
<dataStructure> section in which the output XML structure is defined.
Create Data Definition & Associate with Data Template
XML Publisher Administrator -> Data Definitions -> Create Data Definition
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