An environment in which data are distributed across all nodes, and there is a global schema, is called a(n) heterogenous environment.

Name: An environment in which data are distributed across all nodes, and there is a global schema, is called a(n) heterogenous environment.
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A heterogeneous environment typically involves different systems or databases with different schemas, whereas a global schema implies a homogeneous environment where data is integrated under a unified schema.

An Environment in Which Data Are Distributed Across All Nodes