WSO2 products are shipped with an H2 database, which serves as the default Carbon database. WSO2 IoT Server uses the embedded H2 database to store all the related data, e.g., device details, user details. H2 databases enable starting WSO2 IoT Server without performing any configurations. However, H2 databases are not recommended for production environments storing mission-critical information. You can change this default database to one of the standard databases listed below.
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The following table lists out the databases (DBs) associated with WSO2 IoT Server and their criticality:
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These databases hold device type details. By default there are three types of plugin databases:
- Android DB: Holds Android device details, e.g., magic tokens.
- iOS DB: Holds iOS device details and push tokens to call APNS.
- Windows DB: Holds Windows device details.
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Persisted incoming events streamed from WSO2 Data Analytics Server (WSO2 DAS) as raw data in a tabular structure
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Messages passed through the broker.
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Metrics pertaining to server performance.
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