Standards
The Open Group works with customers and suppliers of IT products and services, and with consortia and other standards organizations to capture, clarify, and integrate current and emerging requirements, establish standards and policies, and share best practices. Our standards ensure openness, interoperability, and consensus.
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COBOL Language
This document provides the X/Open definition of the COBOL LanguageLearn More -
Distributed TP: The XA Specification
The Open Group model for Distributed Transaction ProcessingLearn More -
Data Management: SQL Remote Database Access
This specification relies on the ISO/IEC RDA SQL standard, which specifies a message format for remote communication of SQL database language statements (query and update) to a remote database.Learn More -
Distributed TP: The XA+ Specification, Version 2
The XA interface is the bidirectional interface between a transaction manager and resource managers.Learn More -
Single UNIX® Specification, Version 1 Document Set (UNIX 95)
This document set for the Single UNIX Specification, Version 1 (UNIX 95)Learn More -
Networking Services, Issue 4
This document contains the Technical Standards of both the X/Open Transport Interface (XTI) and X/Open Sockets Interface.Learn More -
DCE 1.1: Time Services
This document specifies the Distributed Time Service (DTS) time representations, RPC interfaces to the DTS, and application programming interfaces to the DTS.Learn More -
Data Management: SQL Call Level Interface (CLI)
This document defines the SQL Call Level Interface (CLI). It provides application programmers with an Application Program Interface (API) for database access.Learn More -
Federated Naming: The XFN Specification
This document defines the model of XFN, a federated naming service together with an associated programmatic interface.Learn More -
Data Management: Structured Query Language (SQL), Version 2
This document specifies the Application Program Interface (API) for X/Open-compliant relational database management systems.Learn More