Final answer:
There are generally two options for compacting a database: manual compaction and automatic or scheduled compaction, although the specific number might vary with different systems.
Step-by-step explanation:
There are typically two main options for compacting a database. The first is manual compaction, where the user initiates the compact process, which can involve using specific tools or commands provided by the database system. The second option is automatic or scheduled compaction, where the database system is set up to compact the database at regular intervals automatically without user intervention. It's worth noting that the specific number of options might vary depending on the database management system in question, but the general idea of manual and automatic compaction applies to many systems.