Release 10.1A: OpenEdge Development:
Progress Dynamics Advanced Development

> ## Enabling both

> When both types of caching are enabled, the caching occurs at the SDO level and the data is shared among all instances. This cache will be valid for the session. Table 4–1 describes the other valid combinations.

> Table 4–1: Caching feature combinations
> Use Cache | SDO data source | Cache/Shared
> --- | --- | ---
> Yes | Yes | SDO-level cached and shared. Cache duration is ? (valid for session).
> No | Yes | Shared and not cached. Cache duration is 0.
> No | No | Not cached and not shared.
> Yes | No | Field-level cached and not shared.

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