Datalogger_Board

Logical Entity Name | Datalogger_Board
Default Table Name | Datalogger_Board
Definition | Board of a datalogger

Datalogger_Board Attributes

Attribute/Logical Rolename | Domain | Datatype | NULL | Definition
data_id |  | NUMERIC(8, 0) | NO | Datalogger identifier. Each datalogger is assigned a unique integer which identifies it in a database
board_nb |  | NUMERIC(8, 0) | NO | This attribute denotes the number of boards of a datalogger
serial_nb |  | VARCHAR(80) | YES | This attribute denotes a serial number of a datalogger board
nb_module |  | NUMERIC(8, 0) | NO | This attribute denotes the number of modules of a datalogger’s board
firmware_nb |  | VARCHAR(80) | YES | This attribute describes the firmware number of a datalogger
lddate |  | DATE | YES | Load date. Date and time that the record was created or last modified, in Oracle date datatype

Datalogger_Board Keys

Key Name | Key Type | Keys
DaB00 | PrimaryKey | data_id, board_nb

Datalogger_Board Relationships

Parent Relationships:

Entity Name | Type | Cardinality | Business Name | VerbPhrase | InversePhrase | Foreign Keys | Is Supertype
Datalogger | Identifying | One To Zero or More |  |  |  | data_id | NO
Station_Digitizer | Non-Specific |  |  |  |  |  | NO

Child Relationships:

Entity Name | Type | Cardinality | Business Name | VerbPhrase | InversePhrase | Foreign Keys | Is Subtype
Datalogger_Module | Identifying | One To Zero or More |  |  |  |  | NO

Datalogger_Board Check Constraints

Check Constraint Name | CheckConstraint
DaB01 | board_nb >= 1
DaB02 | nb_module >= 0