Start the Virtuoso Web User Interface

Figure 8.273. Start

Select the "Conductor" link in the Left Frame and Login as the "dba" user.

Figure 8.274. Conductor

Select the "Databases" -> "External Data Source" -> "Data Sources" tab menu items

Figure 8.275. Databases

Select the "Connect" button for the "db2v8ma" DB2 DSN.

Figure 8.276. Connect

On successful connection Select the "Link Objects" button to obtain a list of available tables

Figure 8.277. Link Objects

Select the tables that you would like to link.

Figure 8.278. Select tables

Change the Catalog for each table to be "SAMPLE" using the "Set All" button.

Figure 8.279. Catalog

All the catalog names are changed to be "SAMPLE".

Figure 8.280. catalog names

Select the "Link" button to link the selected tables into Virtuoso

Figure 8.281. "Link" button

On completion of the Link process the tables will be displayed in the "External Linked Objects" tab.

Figure 8.282. Completion

The linked tables can be queried by clicking on the hyperlink in the Local Name column of the External Linked Objects tab above. This loads the Virtuoso Interactive SQL interface with the required SQL Select for retrieving the remote table data . We shall use the SAMPLE.db2v8ma.EMPLOYEE table to demonstrate this.

Figure 8.283. view tables

Click the Execute button to run the query and retrieve the results from the remote table.

Figure 8.284. Execute

The tables can also be viewed as part of the Virtuoso SQL Schema Objects under the SAMPLE catalog name.

Figure 8.285. SQL Schema Objects

The Link process is now complete enabling the tables to be queried as if part of the Virtuoso Schema.