Comparison To JET Red
While they share a common lineage, there are vast differences between JET Red and ESE.
- JET Red is a file sharing technology, while ESE is designed to be embedded in a server application, and does not share files.
- JET Red makes best effort file recovery, while ESE has write ahead logging and snapshot isolation for guaranteed crash recovery.
- JET Red before version 4.0 supports only page level locking, while ESE and JET Red version 4.0 supports record level locking.
- JET Red supports a wide variety of query interfaces, including ODBC and OLE DB. ESE does not ship with a query engine but instead relies on applications to write their own queries as C ISAM code.
- JET Red has a maximum database file size of 2 GiB, while ESE has a maximum database file size of 8 TiB with 4 KiB pages, and 16 TiB with 8 KiB pages.
Read more about this topic: Extensible Storage Engine
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