ISO/IEC 9075-16:2023
(Main)Information technology — Database languages SQL — Part 16: Property Graph Queries (SQL/PGQ)
Information technology — Database languages SQL — Part 16: Property Graph Queries (SQL/PGQ)
Technologies de l'information — Langages de base de données — SQL — Partie 16: Titre manque
General Information
Standards Content (Sample)
INTERNATIONAL ISO/IEC
STANDARD 9075-16
First edition
2023-06
Information technology — Database
languages SQL —
Part 16:
Property Graph Queries (SQL/PGQ)
Reference number
ISO/IEC 9075-16:2023(E)
© ISO/IEC 2023
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ISO/IEC 9075-16:2023(E)
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© ISO/IEC 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii
© ISO/IEC 2023 – All rights reserved
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ISO/IEC9075-16:2023(E)
Contents Page
Foreword.viii
Introduction.x
1 Scope.1
2 Normativereferences.2
3 Termsanddefinitions.3
4 Concepts.8
4.1 Notationsandconventions.8
4.1.1 Notations.8
4.2 Columns,fields,andattributes.8
4.3 SQL-statements.8
4.3.1 SQL-statementsclassifiedbyfunction.8
4.3.1.1 SQL-schemastatements.8
4.4 Basicsecuritymodel.8
4.4.1 Privileges.9
4.5 SQL-propertygraphs.9
4.5.1 IntroductiontoSQL-propertygraphs.9
4.5.2 Purepropertygraph.9
4.5.3 Tabularpropertygraph.11
4.6 Operationsinvolvingpropertygraphs.12
4.7 Graphpatternmatching.13
4.7.1 Summaryofgraphpatternmatching.13
4.7.2 Paths.13
4.7.3 Pathpatterns.14
4.7.4 Graphpatternvariables.15
4.7.5 Referencestographpatternvariables.16
4.7.6 Pathpatternmatching.17
4.7.7 Path modes.18
4.7.8 Selectivepathsearchprefixes.19
4.7.9 Matchmodes.19
5 Lexicalelements.20
5.1 .20
5.2 and.21
5.3 Namesandidentifiers.24
6 Scalarexpressions.26
6.1 .26
6.2 .28
6.3 .30
6.4 .32
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ISO/IEC9075-16:2023(E)
6.5 .33
6.6 .35
6.7 .36
6.8 .37
6.9 .38
6.10 .39
7 Queryexpressions.40
7.1 .40
7.2 .50
8 Predicates.51
8.1 .51
8.2 .52
8.3 .53
8.4
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