ISO/IEC-19075-5 › Information technology - Guidance for the use of database language SQL - Part 5: Row pattern recognition
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This document discusses the syntax and semantics for recognizing patterns in rows of a table, as defined in ISO/IEC 9075-2, commonly called â..SQL/RPRâ...
SQL/RPR defines two features regarding row pattern recognition:
â.. Feature R010, â..Row pattern recognition: FROM clauseâ..
â.. Feature R020, â..Row pattern recognition: WINDOW clauseâ..
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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Document Number
ISO/IEC 19075-5:2021
Revision Level
1ST EDITION
Status
Current
Publication Date
Aug. 1, 2021
Committee Number
ISO/IEC JTC 1/SC 32