SQL3

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(database, standard, language)

SQL3 - A draft standard for another extension of SQL. The latest SQL3 Working Draft addresses the requirement for objects and "object identifiers" in SQL and also specifies supporting features such as encapsulation, subtypes, inheritance, and polymorphism.

In the USA, SQL3 is being processed as both an ANSI Domestic ("D") project and as an ISO project. It is expected to be complete in 1998.

November 1992 paper.

Working draft.

[ISO/IEC SQL Revision. ISO-ANSI Working Draft Database Language SQL (SQL3), Jim Melton - Editor, document ISO/IEC JTC1/SC21 N6931, ANSI, July 1992].

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Call-Level Interface

SQL

However, SQL3 offers the ability to declare abstract data types (ADTs) that let programmers capture application-specific behavior as part of the database.

Databases as Information Management Tools by PHILLIPS, JOHN T. / Information Management Journal

Embedding spatial types and functions in their core products lets any application access spatial data through standard SQL3 queries.

Informix to Drive Pervasive Spatial Data Management with ESRI ... by Business Wire

All features and functionality are based on the emerging SQL3 standard.

Sand Technology to Acquire Advanced Technology Group by Business Wire

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