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Split schema database architecture

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Pega Platform supports a split schema database architecture. The split separates rules and data into separate schemas and is essential for enabling minimal to zero down time during Pega Platform application and strategic application upgrades or patch installation.

The use of split schema architecture enables Pega Platform System Administrators to install and upgrade a new rules schema in the production database while the old schema is still in use. Pega Platform high availability features can then be used to migrate users from the old rule schema to the new schema on the production system to complete the upgrade.

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