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Use of Persistence layer in SAP HANA
SAP Persistence layer is required in the following scenarios −
- In any database, main memory is volatile therefore data is lost during a restart or when a power outage occurs.
- Data needs to be stored in persisted medium.
- Backup & Restore is available.
- It ensures that the database is restored to the most recent committed state after a restart and that transaction are either completely executed or completely undone.
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