In contrast to the query languages used to interact with a relational database, interaction with an object-oriented database takes places via methods, which are called by sending a message to an object.

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In object-oriented databases, data is stored in objects, and interaction with the database is achieved through methods. These methods are invoked by sending messages to objects, which is different from the query languages (like SQL) used in relational databases where data is stored in tables and accessed through declarative queries.

In Contrast to the Query Languages Used to Interact with a Relational