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== Alternatives ==
Other [[Database model|models]] include the [[Hierarchical database model|hierarchical model]] and [[network model]]. Some [[system]]s using these older architectures are still in use today in [[data center]]s with high data volume needs, or where existing systems are so complex and abstract that it would be cost-prohibitive to migrate to systems employing the relational model. Also of note are newer [[object database|object-oriented databases]].{{cn|date=December 2023}}
== See also ==
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