Replication Guide and Reference

Setting Replication Preferences in the DB2 Tools Settings Notebook

The Tools Settings notebook contains default preferences for the DB2 Universal Database administration tools. You can set replication default values on the Replication page of the notebook, as shown in Figure 14. These default values are used for all replication activities administered by the Control Center.

Figure 14. The Replication Page of the Tools Setting Notebook. The Replication page of the Tools Settings notebook contains default preferences for replication.

The default values for replication sources and subscriptions are:

Table spaces

Change data table and target table spaces are dropped when empty.

Replication sources

Before- and after-image columns are captured.

Replication targets

• Target tables must be created by the user.
• Target tables are not dropped if the subscription is removed.

To set replication preferences in the Tools Settings notebook:

1. From the Control Center, select the Tools Settings icon in the tool bar as shown in Figure 15.

   Figure 15. The Tools Settings icon. The Tools Setting icon opens the Tools Setting window where you can set replication preferences.
   
   
   

   The Tools Settings notebook opens.

2. Click on the Replication tab to open the Replication page.

3. If you want both the table space for the change data table (at the source server) and the table space for the target table (at the target server) to be dropped when the table space is empty, select the Table spaces are dropped when empty check box.

   When selected, table spaces are dropped for the specified table types on MVS, OS/2, Windows NT or 95, AIX, HP-UX, Solaris, VSE, and VM.

4. For capturing before- and after-image columns on the replication source, select a radio button:

   Capture before and after image

   The before image and after image of the source table column is captured and can be replicated to a target table.

   Capture after image only

   Only the after image of the source table column is captured and can be replicated to a target table.

5. If you want the Control Center to create the target table automatically while defining a replication subscription, select the Create target tables check box. If the target table is not selected, you need to create your own target table. See "Defining a Replication Subscription with a User-Defined Target Table" for more information about defining and maintaining target tables.

6. If you want to drop affected target table and related control tables when the replication subscription set is removed, select the Drop target tables if subscription is removed check box.

7. Close the Tool Settings notebook to save your changes.

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