Use an existing connection/Component List

Select this check box and in the Component
List click the relevant connection component to reuse the connection
details you already defined.

Note that when a Job contains the parent Job and the child Job, Component List presents only the connection components in the same
Job level.

URI

URI of the database you want to connect to.

Collection

Enter the path to the XML file location on the database.

Driver

This field is automatically populated with the standard
driver.

Username and
Password

DB server authentication information.

To enter the password, click the […] button next to the
password field, and then in the pop-up dialog box enter the password between double quotes
and click OK to save the settings.

XQuery Input File

Browse to the local file containing the query to be
executed.

Local Output

Browse to the directory in which the query results should be
saved.

tStatCatcher Statistics

Select this check box to gather the job processing metadata at a
job level as well as at each component level.

Global Variables

NB_FILE: the number of files processed. This is an After
variable and it returns an integer.

ERROR_MESSAGE: the error message generated by the
component when an error occurs. This is an After variable and it returns a string. This
variable functions only if the Die on error check box is
cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable
functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl +
Space to access the variable list and choose the variable to use from it.

For further information about variables, see
Talend Studio

User Guide.

Usage rule

This component is typically used as a single component Job but can
also be used as part of a more complex Job.

eXist-db is an open source database management system built using
XML technology. It stores XML data according to the XML data model
and features efficient, index-based XQuery processing.

For further information about XQuery, see XQuery.

For further information about the XQuery update extension, see

XQuery update extension.

Limitation

Due to license incompatibility, one or more JARs required to use this component are not
provided. You can install the missing JARs for this particular component by clicking the
Install button on the Component tab view. You can also find out and add all missing JARs easily on the
Modules tab in the
Integration
perspective of your
studio. You can find more details about how to install external modules in Talend Help Center (https://help.talend.com).