ClearPath IX Systems Installation and Configuration Guide

Glossary
A
ACID properties
The essential attributes of transaction processing systems. See also TransIT Open/OLTP
Transaction Manager (OLTP-TM2200).
alias
AMS
• Atomicity: All changes a transaction makes to a database are made permanent or all
are nullified.
• Consistency: A successful transaction transforms a database from a previous valid
state to a new valid state.
• Isolation: Changes that a transaction makes to a database are not visible to other
operations until the transaction completes its work.
• Durability: Changes that a transaction makes to a database survive future system or
media failures.
A symbolic name defined by the user that can be used in place of an OS 2200 transaction
code. The alias can be the same as the transaction code or it can be different. See also
network alias.
See Autoaction Message System.
AMS database
The patterns and associated actions used by the Autoaction Message System that allow it
to automatically recognize and respond to OS 2200 console messages.
API
See application program interface.
application
A computer program used for a particular kind of work, such as word processing. This
term is often used interchangeably with program.
application program interface (API)
A set of callable functions or routines that an application programmer can use to request
and carry out lower-level or common services.
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