This HTML5 document contains 16 embedded RDF statements represented using HTML+Microdata notation.

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PrefixNamespace IRI
n12http://upload.wikimedia.org/wikipedia/commons/8/8d/Relational_model_concepts.
dctermshttp://purl.org/dc/terms/
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schemahttp://schema.org/
skoshttp://www.w3.org/2004/02/skos/core#
n6http://data.openlinksw.com/oplweb/glossary-term/Relation#
n2http://data.openlinksw.com/oplweb/glossary-term/SQLRelationship#
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
n16http://slidesha.re/
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xsdhhttp://www.w3.org/2001/XMLSchema#
n4http://data.openlinksw.com/oplweb/glossary-term/Relationship#
Subject Item
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rdf:type
skos:Concept
skos:broader
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dcterms:isReferencedBy
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skos:inScheme
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schema:image
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schema:name
SQL Relationship
schema:comment
Association between two or more entities where each has (or plays) a specific role. In SQL, a relationship is represented by sets of n-tuple records in a table (the relation predicate). In this kind of relationship, each record represents a collection of tuples that describes an entity. Basically, each entity is identified by a primary key derived from the value of a designated table column. Outside the table of original designation, a primary-key value is referred to as a foreign-key when used to construct records in other tables where it doesn't function as the primary-key i.e., those tables use this as a reference mechanism for identifying records in other tables.