Formation and operation of test data in a database system

摘要

A system and method for creating a sandbox for an original tenant at a point in time is provided, the original tenant having original tenant data stored in a persistent storage associated with the original tenant identifier; Original tenant data is a virtual snapshot of the original tenant data that can be accessed by the sandbox tenant after the creation of the sandbox, and the sandbox tenant data changes the original tenant data The original tenant data can be changed without changing the sandbox tenant data. A sandbox tenant is created by associating a sandbox tenant identifier with a virtual snapshot of the original tenant data and with sandbox tenant data created by the sandbox tenant since the time the sandbox was created. You. Thereafter, the original tenant data is created and associated with the original tenant identifier, and is not accessible to the sandbox tenant. [Selection] Fig. 4A