Base models

A base model is the common ancestor for the versions of a model being compared or merged, and is used to track differences between model versions.

When you compare three models, you select a base model for the two versions of a model being compared.

When you compare two models, either you compare a version of a model with its base model, or two versions of a model that have the same base model.

Parent topic: Model roles in a compare and merge session

Related concepts
Differences between versions of a model
Merged models
Composite models

Related tasks
Comparing two or three versions of a model in a ClearCase environment

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