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Structured type

The SQL:1999 standard introduced a number of object–relational database features into SQL, chiefly among them structured user-defined types, usually called just structured types. These can be defined either in plain SQL with CREATE TYPE but also in Java via SQL/JRT. SQL structured types allow single inheritance.

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Overview

SQL examples

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Map overview Semantic statistics

Structured type

Nodes14
Edges13
Triples2
Avg. degree1.86
Density0.142857
Components1

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Important terminology Word statistics

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Important terminology

sql types structured defined type database object also isbn order structure table 1999 allow inheritance oracle postgresql clr custom could

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
theseinstance ofSQL examplesObject structured typeIn order to define a custom structure type using Oracle Database one could use statements0.80text
theseinstance ofObject structured typeIn order to define a custom structure type using Oracle Database one could use statements0.80text

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