InterviewSolution
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What Is The Role Of Persistence Layer? |
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Answer» It ENSURES that the database is restored to the most recent COMMITTED state after a RESTART and that transactions are either completely executed or completely undone. The PERSISTENCE layer offers interfaces for writing and reading data. It ALSO contains SAP HANA‘s logger that manages the transaction lo. Log entries can be written implicitly by the persistence layer when data is written via the persistence interface or explicitly by using a log interface. It ensures that the database is restored to the most recent committed state after a restart and that transactions are either completely executed or completely undone. The persistence layer offers interfaces for writing and reading data. It also contains SAP HANA‘s logger that manages the transaction lo. Log entries can be written implicitly by the persistence layer when data is written via the persistence interface or explicitly by using a log interface. |
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