sensor_id 
Base Entity  Sensor 
Attribute Name  sensor_id 
Logical Rolename   
ColumnName  sensor_id 
RoleName   
Definition  Sensor identifier. Each sensor is assigned a unique integer which identifies it in a database 
Note   

name 
Base Entity  Sensor 
Attribute Name  name 
Logical Rolename   
ColumnName  name 
RoleName   
Definition  This attribute denotes a descriptive name for a sensor 
Note   

serial_nb 
Base Entity  Sensor 
Attribute Name  serial_nb 
Logical Rolename   
ColumnName  serial_nb 
RoleName   
Definition  This attribute denotes a serial number of a sensor 
Note   

ondate 
Base Entity  Sensor 
Attribute Name  ondate 
Logical Rolename   
ColumnName  ondate 
RoleName   
Definition  This attribute denotes the start date 
Note   

offdate 
Base Entity  Sensor 
Attribute Name  offdate 
Logical Rolename   
ColumnName  offdate 
RoleName   
Definition  This attribute denotes the end date 
Note   

nb_component 
Base Entity  Sensor 
Attribute Name  nb_component 
Logical Rolename   
ColumnName  nb_component 
RoleName   
Definition  This attribute denotes the number of components of a sensor 
Note   

lddate 
Base Entity  Sensor 
Attribute Name  lddate 
Logical Rolename   
ColumnName  lddate 
RoleName   
Definition  Load date. Date and time that the record was created or last modified, in Oracle date datatype 
Note