| ACID properties
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Atomicity, Consistency, Isolation, Durability. Four critical objectives that define the success of a transaction.
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| application program (AP)
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A program that defines the boundaries of a transaction and specifies the actions that constitute a transaction.
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| distributed transaction
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A transaction that involves several services, which might be located in different server programs. Also called a global transaction.
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| distributed transaction processing (DTP) system
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A form of transaction processing that supports transactions whose operations are distributed among different computers or among different databases from different vendors.
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| global transaction
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A transaction that involves several services, which might be located in different server programs. Also called a distributed transaction.
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| interface
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In the X/Open DTP Model, a path of communication between any two parts.
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| local transaction
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A transaction that involves one service within a single server program, and accesses only one database.
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| resource manager (RM)
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Provides access to shared data. Usually a resource manager is a database server or a file-access system.
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| transaction
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A unit of work that consists of an application-specific sequence of operations.
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| transaction processing manager (TPM)
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Manages the routing and transaction processing control of a service request. The TPM manages global transactions and coordinates their resolution and any failure recovery.
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| TX interface
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Lets the application program call the transaction monitor to request transaction management. Also known as the AP-TM interface.
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| XA interface
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Allows two-way communication between the transaction monitor and the resource manager, and implements the two-phase commit between them. Also known as the TM-RM Interface.
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