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 Changes in the Firebird EngineReserved Words and Changes 

New Minor ODS Number

Firebird 5.0 creates databases with an ODS (On-Disk Structure) version of 13.1.It can also work with databases created in ODS 13.0 (by Firebird 4.0), but some new features will be unavailable.

See [rnfb50-engine-inline-upgrade] for a new method of upgrading an ODS 13.0 database to 13.1.

New System Tables

System tables added in ODS 13.1:

RDB$KEYWORDS

Virtual table that enumerates keywords used by the SQL parser
MON$COMPILED_STATEMENTS

Virtual table that reports compiled statements