August 15, 2023

tJDBCConnection – Docs for ESB 6.x

tJDBCConnection

Opens a connection to the specified database that can then be reused in the
subsequent subjob or subjobs.

tJDBCConnection opens a connection to the database for a
current transaction.

tJDBCConnection Standard properties

These properties are used to configure tJDBCConnection running in the Standard Job framework.

The Standard
tJDBCConnection component belongs to the Databases and the ELT families.

The component in this framework is generally available.

Basic settings

 

 

JDBC URL

Enter the JDBC URL to connect to the desired DB. For example,
enter: jdbc:mysql://IP address/database name to connect
to a mysql database.

Driver JAR

Click the plus button under the table to add lines of the count
of your need for the purpose of loading several JARs. Then on each line, click
the three dot button to open the [Select
Module]
wizard from which you can select a driver JAR of your
interest for each line.

Driver Class

Enter the driver class related o your connection. For example,
enter com.mysql.jdbc.Driver as a driver class to connect
to a mysql database.

Username and Password

Enter your DB authentication data.

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.

Use or register a shared DB Connection

Select this check box to share your
database connection or fetch a database connection shared by a parent or child Job,
and in the Shared DB Connection Name field displayed, enter the
name for the shared database connection. This allows you to share one single database
connection (except the database schema setting) among several database connection
components from different Job levels that can be either parent or child.

This option is
incompatible with the Use dynamic job and Use an
independent process to run subjob
options of the
tRunJob component. Using a shared connection together with a
tRunJob component with either of these two options enabled
will cause your Job to fail.

This check box is not available when the Specify a data source
alias
check box is selected.

Specify a data source alias

Select this check box and specify the alias of a data source created on the
Talend Runtime
side to use the shared connection pool defined in the
data source configuration. This option works only when you deploy and run your Job in

Talend Runtime
. For a related use case, see Scenario: Deploying your Job on Talend Runtime to retrieve data from a MySQL database.

Advanced settings

Use Auto-Commit

Select this check box to display the Auto
Commit
check box. Select it to activate auto commit
mode.

Once you clear the Use
Auto-Commit
check box, the auto-commit statement will
be removed from the codes.

Auto Commit

Select this check box to commit any changes to the database automatically upon
the transaction.

With this check box selected, you cannot use the corresponding commit component
to commit changes to the database; likewise, when using the corresponding commit
component, this check box has to be cleared. By default, the auto commit function is
disabled and changes must be committed explicitly using the corresponding commit
component.

Note that the auto commit function commits each SQL statement as a single
transaction immediately after the statement is executed while the commit component does
not commit only until all of the statements are executed. For this reason, if you need
more room to manage your transactions in a Job, it is recommended to use the commit
component.

tStatCatcher Statistics

Select this check box to collect log data at the component
level.

Usage

Usage rule

This component is more commonly used with other tJDBC* components,
especially with the tJDBCCommit and
tJDBCRollback
components.

Related scenario

For tJDBCConnection related scenario, see tMysqlConnection


Document get from Talend https://help.talend.com
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