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Like with normal use of RDBMS in the Bridge, the connection parameters to the database are configured as part of the component diagram. A database user and an empty instance/schema have to be created on the RDBMS before it can be accessed.
With these preconditions, the database model is automatically initialized upon start-up and updated if a new firmware version should require it.
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Even though multiple services may share the same database, it is recommended to use separate schemes/instances for each service. Using separate schemes/instances will increase the performance, especially if a large number of persistent state objects is given. |
In case of an xUML Runtime update that modifies the database schema, you will experience a downtime for all services sharing a common database schema. A modification of the database schema will be announced in the Runtime.
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