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Migrating and upgradingYou can upgrade to the 14.10 release of HCL Informix® or migrate from other database servers to Informix®. Upgrading is an in-place migration method that uses your existing hardware and operating system software. Some changes to the Informix® database server can affect upgrading from a previous release.
Migrating Informix® database systemsThe Informix® Migration Guide describes how to move data manually between databases, servers, and computers.
Data migration utilities
The onunload and onload utilitiesThe onunload and onload utilities provide the fastest way to move data between computers that use the same database server on the same platform.
Syntax of the onunload commandThe onunload command unloads data from a database and writes a database or table into a file on tape or disk.
Tables that are unloaded with a databaseIf you unload a database, all of the tables in the database, including the system catalog tables, are unloaded.

Tables that are unloaded with a database

If you unload a database, all of the tables in the database, including the system catalog tables, are unloaded.

All triggers, SPL routines, defaults, constraints, and synonyms for all of the tables in the database are also unloaded.

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