tAmazonOracleOutput Standard properties

Select the desired database type from the list and click Apply.

Property type

Either Built-in or Repository.

Built-in: No property data stored centrally.

Repository: Select the repository file in which the properties are stored. The fields that follow are completed automatically using the data retrieved.

Use an existing connection

Select this check box and in the Component List drop-down list, select the desired connection component to reuse the connection details you already defined.

Connection type

Drop-down list of available drivers:

Oracle SID: Select this connection type to uniquely identify a particular database on a system.

DB Version

Select the Oracle version in use.

Host

Database server IP address.

Port

Listening port number of DB server.

Database

Name of the database.

Username and Password

DB user authentication data.

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

Oracle schema

Name of the Oracle schema.

Table

Name of the table to be written. Note that only one table can be written at a time.

Action on table

On the table defined, you can perform one of the following operations:

None: No operation is carried out.

Drop and create a table: The table is removed and created again.

Create a table: The table does not exist and gets created.

Create a table if not exists: The table is created if it does not exist.

Drop a table if exists and create: The table is removed if it already exists and created again.

Clear a table: The table content is deleted.

Action on data

On the data of the table defined, you can perform:

Insert: Add new entries to the table. If duplicates are found, job stops.

Delete: Remove entries corresponding to the input flow.

Schema and Edit schema

A schema is a row description, i.e. it defines the number of fields to be processed and passed on to the next component. The schema is either Built-in or stored remotely in the Repository.

This component offers the advantage of the dynamic schema feature. This allows you to retrieve unknown columns from source files or to copy batches of columns from a source without mapping each column individually. For further information about dynamic schemas, see Dynamic schema.

This dynamic schema feature is designed for the purpose of retrieving unknown columns of a table and is recommended to be used for this purpose only; it is not recommended for the use of creating tables.

Built-In: You create and store the schema locally for this component only.

Repository: You have already created the schema and stored it in the Repository. You can reuse it in various projects and Job designs.

When the schema to be reused has default values that are integers or functions, ensure that these default values are not enclosed within quotation marks. If they are, you must remove the quotation marks manually.

For more information, see Retrieving table schemas.

Die on error

This check box is selected by default. Clear the check box to skip the row on error and complete the process for error-free rows. If needed, you can retrieve the rows on error via a Row>Rejects link.

Select this option to use a schema other than the one specified by the component that establishes the database connection (that is, the component selected from the Component list drop-down list in Basic settings view). After selecting this option, provide the name of the desired schema in the Schema field.

This option is available when Use an existing connection is selected in Basic settings view.

Additional JDBC parameters

Specify additional connection properties for the DB connection you are creating. This option is not available if you have selected the Use an existing connection check box in the Basic settings.

Override any existing NLS_LANG environment variable

Select this check box to override variables already set for a NLS language environment.

Commit every

Enter the number of rows to be completed before committing batches of rows together into the DB. This option ensures transaction quality (but not rollback) and, above all, better performance at execution.

tStat Catcher Statistics

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

Additional Columns

This option is not offered if you create (with or without drop) the DB table. This option allows you to call SQL functions to perform actions on columns, which are not insert, nor update or delete actions, or action that require particular preprocessing.

Name: Type in the name of the schema column to be altered or inserted as new column.

SQL expression: Type in the SQL statement to be executed in order to alter or insert the relevant column data.

Position: Select Before, Replace or After following the action to be performed on the reference column.

Reference column: Type in a column of reference that the tDBOutput can use to place or replace the new or altered column.

Use field options

Select this check box to customize a request, especially when there is double action on data.

Use Hint Options

Select this check box to activate the hint configuration area which helps you optimize a query's execution. In this area, parameters are:

 /*+ */.

- SQL STMT: select the SQL statement you need to use.

Convert columns and table to uppercase

Select this check box to set the names of columns and table in upper case.

Select this check box to display each step during processing entries in a database.

Use Batch

Select this check box to activate the batch mode for data processing.

Batch Size

Specify the number of records to be processed in each batch.

This field appears only when the Use batch mode check box is selected.

Support null in "SQL WHERE" statement

Select this check box to validate null in "SQL WHERE" statement.

Enable parallel execution

Note that when parallel execution is enabled, it is not possible to use global variables to retrieve return values in a subJob.

Global Variables

NB_LINE: the number of rows read by an input component or transferred to an output component. This is an After variable and it returns an integer.

NB_LINE_UPDATED: the number of rows updated. This is an After variable and it returns an integer.

NB_LINE_INSERTED: the number of rows inserted. This is an After variable and it returns an integer.

NB_LINE_DELETED: the number of rows deleted. This is an After variable and it returns an integer.

NB_LINE_REJECTED: the number of rows rejected. This is an After variable and it returns an integer.

QUERY: the query statement processed. This is an After variable and it returns a string.

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 more information about variables, see Using contexts and variables.

Usage rule

This component offers the flexibility benefit of the DB query and covers all of the SQL queries possible.

This component must be used as an output component. It allows you to carry out actions on a table or on the data of a table in a Oracle database. It also allows you to create a reject flow using a Row > Rejects link to filter data in error. For such an example, see Retrieving data in error with a Reject link.

Dynamic settings

Click the [+] button to add a row in the table and fill the Code field with a context variable to choose your database connection dynamically from multiple connections planned in your Job. This feature is useful when you need to access database tables having the same data structure but in different databases, especially when you are working in an environment where you cannot change your Job settings, for example, when your Job has to be deployed and executed independent of Talend Studio.

The Dynamic settings table is available only when the Use an existing connection check box is selected in the Basic settings view. Once a dynamic parameter is defined, the Component List box in the Basic settings view becomes unusable.

For examples on using dynamic parameters, see Reading data from databases through context-based dynamic connections and Reading data from different MySQL databases using dynamically loaded connection parameters. For more information on Dynamic settings and context variables, see Dynamic schema and Creating a context group and define context variables in it.

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 Talend Studio. For details, see Installing external modules.