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ISO/IEC 19075-5:2021

Information technology — Guidance for the use of database language SQL — Part 5: Row pattern recognition

General information
Valid from 01.09.2021
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None
Standard history
Status
Date
Type
Name
01.09.2021
Main
14.12.2016
Main
This document discusses the syntax and semantics for recognizing patterns in rows of a table, as defined in ISO/IEC 9075-2, commonly called “SQL/RPR”.SQL/RPR defines two features regarding row pattern recognition:— Feature R010, “Row pattern recognition: FROM clause”— Feature R020, “Row pattern recognition: WINDOW clause”These two features have considerable syntax and semantics in common, the principle difference being whether the syntax is placed in the FROM clause or in the WINDOW clause.
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