Entities and Attributes in Databases for Embedded Systems
Entities in an embedded system database represent various aspects of the system, such as sensors, events, configuration settings, and system logs, while attributes describe their characteristics. Common entities and their attributes include:
Sensor Data
- SensorID (Primary Key): Unique identifier for each sensor.
- Timestamp: Date and time when the sensor data was recorded.
- Value: Measurement value recorded by the sensor.
Event Log
- EventID (Primary Key): Unique identifier for each event.
- Timestamp: Date and time when the event occurred.
- Description: Description of the event or action.
Configuration Setting
- SettingID (Primary Key): Unique identifier for each configuration setting.
- Name: Name of the configuration setting.
- Value: Value of the configuration setting.
System Log
- LogID (Primary Key): Unique identifier for each log entry.
- Timestamp: Date and time when the log entry was recorded.
- Message: Log message or description of the system event.
How to Design a Database for Embedded Systems
Embedded systems play a crucial role in various devices and applications, from consumer electronics and automotive systems to industrial automation and IoT devices.
These systems often require efficient data storage and management capabilities to handle sensor data, configuration settings, and operational logs. In this article, we will explore the essential principles of designing databases tailored specifically for embedded systems.