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- Some general guidelines for usage patterns include:
- | Usage Pattern | General Guideline |
- |--------------------------------------------------------------------------------|--------------------|
- | View results are accessed from a single cluster only;<br>such as in a 1-cluster or a 2-cluster architecture. | View with an [index](/sql/create-index) |
- | View used as a building block for stacked views; i.e., views not used to serve results. | View |
- | View results are accessed across [clusters](/concepts/clusters);<br>such as in a 3-cluster architecture. | Materialized view (in the transform cluster)<br>Index on the materialized view (in the serving cluster) |
- | Use with a [sink](/serve-results/sink/) or a [`SUBSCRIBE`](/sql/subscribe) operation | Materialized view |
- | Use with [temporal filters](/transform-data/patterns/temporal-filters/) | Materialized view |
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