ISO 19075:2021
ISO 19075:2021 Information technology – Guidance for the use of database language SQL – Part 5: Row pattern recognition
CDN $351.00
Description
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:
РFeature R010, “Row pattern recognition: FROM clause”
РFeature 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.
Edition
1
Published Date
2021-09-01
Status
PUBLISHED
Pages
74
Language
English
Format
Secure PDF
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Abstract
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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