ISO/IEC 19075-5:2021
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ISO/IEC 19075-5:2021
78936

Abstract  Preview

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.


General information 

  •  :  Published
     : 2021-08
  •  : 1
     : 74
  •  : ISO/IEC JTC 1/SC 32 Data management and interchange
  •  :
    35.060 Languages used in information technology

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