User Programmatic Interface
- User Programmatic Interface
In computing, the User Programmatic Interface (UPI), also known as the User Program Interface, consists of a set of C-language software APIs which provide the lowest-level API-based interface to the Oracle database.
Overview
UPI offers a procedural API for not only performing certain database administration tasks (such as system startup and shutdown), but also for using PL/SQL or SQL to query, access, and manipulate data. The UPI library is an undocumented API used internally by Oracle which deals directly with the Two-Task Common (TTC) aspect of the Oracle Client software stack.
UPI-Based Applications
Several libraries are based on top of UPI, including:
* Oracle Forms
* SQL*Plus (also uses OCI)
* Oracle's IMP/EXP Utilities
UPI-Based Libraries
Several libraries are based on top of UPI, including:
* Oracle's FormsAPI
* The Oracle Call Interface Library
* Oracle's SQLLIB (used by Oracle's Embedded SQL Precompilers)
External links
* [http://download-uk.oracle.com/docs/cd/A57673_01/DOC/net/doc/NWUS233/ch2.htm Oracle SQL*Net Overview (includes basic UPI information)]
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