Answer / Rekha Rani Prajapati

There are several data models available: Relational Model (e.g., SQL databases), Object-Oriented Model (e.g., Java Persistence API), Hierarchical Model (e.g., Oracle LDAP), Network Model (e.g., IBM IMS), and Document Model (e.g., MongoDB). Each data model represents the structure of the data in a unique way to cater to different application requirements.

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