Home
AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL OneDB™ database servers.
Administrator's GuideThe HCL OneDB™ Administrator's Guide provides the information required to administer HCL OneDB™.
Distributed data
Multiphase commit protocols

Multiphase commit protocols

A two-phase commit protocol ensures that transactions are uniformly committed or rolled back across multiple database servers. You can use HCL® OneDB® database servers with transaction managers to manipulate data in non-HCL OneDB databases. Distributed queries across HCL OneDB database servers support two-phase commit.

These topics contain information about the use of the two-phase commit protocol. For information about recovering manually from a failed two-phase commit transaction, see Manually recovering from failed two-phase commit.

These topics also contain information about using transaction support for XA-compliant, external data sources, which can participate in two-phase commit transactions. See HCL OneDB transaction support for XA-compliant, external data sources.