The ALTER EXTENSION command allows for the dynamic addition of a database object to an existing extension. For instance, suppose you want the playlist table to be part of the pg11ssp extension. You can issue ALTER EXTENSION to add this table to the extension. The result will be that the table will be managed with all the other extension objects, so if you remove the extension, then the playlist table will also be removed. Similarly, the table will disappear from the regular database backup, as it is now part of the extension, unless you configure the backup for the table, as shown in the previous section. The following command ties the playlist table to the pg11ssp extension:
testdb=> ALTER EXTENSION pg11ssp ADD TABLE playlist;
On the other hand, it is possible to untie an object from an extension. For instance, if you want the packt...
