Trigger Polling Page

You can poll for new or changed records.

Note:

No order is maintained while polling records.

• Polling Page

• Search and Import Tables Page

• Primary Keys Page

• Manage Table Relationships Page

• Attribute Filtering Page

• Polling Strategy and Options Page

Polling Page

The following table describes the key information on the Polling page.

Element	Description
Import Tables	Import the tables and select the root database table for the service query.
Remove Tables	Remove the selected table from the service query tables list.
Review and manage root database table relationships	Appears after importing tables. Select Edit to open the Manage Table Relationships page where you can view, create, and remove relationships between tables.
Review and verify table and relationship attributes	Appears after importing tables. Select Edit to open the Attributes Filtering page where you can review, verify, select or deselect the attributes in the object model created from the imported tables and the defined relationships.
Review the polling strategy and specify polling options	Appears after importing tables. Select Edit to open the Polling Strategy and Options page where you can define the polling strategy and specify polling options.

Search and Import Tables Page

The following table describes the key information on the Search and Import Tables page. The Search and Import Tables page appears when you select Import Tables on the Polling page.

Element	Description
Schema	Select the schema for the tables and views you are importing. Special characters (for example, #) are not supported in schema names.
Table Name	The name of the table to which the schema or view is applied. The Table Type list next to the Table Name field allows these selections: All — Select all available tables and views. Materialized View — Select materialized views. Materialized View Log — Select materialized view logs. Synonym — Select the alias for the schema object. Table — Select tables. View — Select views.
Search	Click to search for the specified table type.
Available	Lists the elements of the table type available for selection.
Selected	Lists the selected table type.

Primary Keys Page

The following table describes the key information on the Define Primary Keys page.

Element	Description
Primary Keys	This page appears when you select tables without a primary key defined. Select the virtual primary keys for the table type. Note: Having the primary key at the database level is the best practice.

Manage Table Relationships Page

The following table describes the key information on the Manage Table Relationships page. The Manage Table Relationships page appears when you select Edit for the Review and manage root database table relationships option on the Polling page.

Element	Description
Create New	Opens the Create Relation page with these options: Parent Table — Select the parent table for the relationship between tables. Child Table — Select the child table for the relationship between tables. Relationship — Defines the relationship between the parent and child tables. Attribute Name — Apply attributes to the table relationship. Mapping — Provide the mapping for the table relationship.
Detach	Opens the Relationships list in a new window.

Attribute Filtering Page

The following table describes the key information on the Attribute Filtering page. This page appears when you click Edit for the Review and verify table and relationship attributes option on the Polling page.

Element	Description
Attributes View	Review the attributes in the object model created from the imported tables and the defined relationships and uncheck any attributes to exclude from the database queries. Primary key attributes cannot be excluded.

Polling Strategy and Options Page

The following table describes the key information on the Polling Strategy and Options page. The Polling Strategy and Options page appears when you select Edit for Review the polling strategy and specify polling options on the Polling page.

Element	Description
Logical Delete Field	Selects a field in the root database table. To allow the selection, polling must be enabled in the Status column.
Read Value	Identifies the value that is used to indicate a row has been read. For example, PROCESSED. Surrounding quotes are not required.
Unread Value	Indicates the rows to process. Only rows with Logical Delete Field and column values that match the Unread Value are read.
Rejected Value	Set to REJECTED. If the incoming message is greater than the 10 MB threshold size, that particular record is updated to REJECTED instead of READ. If the outbound operation returns a response greater than the 10 MB threshold size, the response message is ignored and a fault response is sent to the calling client.
Polling Frequency (Sec)	Specifies the polling frequency (in seconds) for new records or events.