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The metadatavalue table is an important table in DSpace because it holds the metadata values of DSpace objects (ie. article title, authors, identifiers). The table uses the so-called EAV (Entity-attribute-value) model as further explained in this article.

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Code Block

language	sql
title	Example 1

SELECT metadatavalue.text_value, handle.handle
FROM collection
INNER JOIN metadatavalue ON collection.uuid = metadatavalue.dspace_object_id
INNER JOIN handle ON collection.uuid = handle.resource_id
WHERE metadatavalue.metadata_field_id = 64
AND metadatavalue.text_value likeLIKE '%Research';

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