request_card 
Logical Entity Name  request_card 
Default Table Name  request_card 
Definition  List of channel time windows to be archived 

request_card Attributes 
Attribute/Logical Rolename  Domain  Datatype  NULL  Definition 
evid    NUMERIC(15, 0)  YES  Event identifier. Each event is assigned a unique integer which identifies it in a database 
auth    VARCHAR(15)  NO  The auth field specifies the source of the information. This may be a network identifier (FDSN or otherwise), or any other string indicating the source of the information in the record  
subsource    VARCHAR(8)  NO  A second identifier to specify the system or process that derived the data. e.g., the origin's AUTH is CI, but the subsource (the solution) was computed by JIGGLE  
net    VARCHAR(8)  NO  Unique network identifier. This character string is the name of a seismic network  
sta    VARCHAR(8)  NO  Station code. This is the common code-name of a seismic observatory. Generally only three or four characters are used  
seedchan    VARCHAR(8)  NO  SEED channel name. The first character denotes the band code, the second for the instrument code and the third represents the component code  
staauth    VARCHAR(15)  NO  Purpose unknown (always same as subsource) 
channel    VARCHAR(8)  NO  Channel name 
datetime_on    NUMERIC(25, 10)  NO  Start time of time window to save 
datetime_off    NUMERIC(25, 10)  NO  End time of time window to save 
request_type    VARCHAR(1)  NO  Single character flag describing request type 
lddate    DATE  YES  Load date. Date and time that the record was created or last modified, in Oracle date datatype  
rcid(PK)    NUMERIC(15, 0)  NO  Unique request row number. Derived from REQSEQ. 
location    VARCHAR(2)  NO  Describes the individual sites on an array station, operated by the same network operator  
retry    NUMERIC(38, 0)  YES  Count of attempts to retrieve this waveform 
lastretry    DATE  YES  Time of last attempt to retrieve this waveform 
priority    NUMERIC(0, 0)  YES  Rows are processed in priority order, 1 is highest priority 

request_card Keys 
Key Name  Key Type  Keys 
REQUEST_CARDKEY01  PrimaryKey  rcid 

request_card Relationships 
Parent Relationships: 
Entity Name  Type  Cardinality  Business Name  VerbPhrase  InversePhrase  Foreign Keys  Is Supertype 
Child Relationships: 
Entity Name  Type  Cardinality  Business Name  VerbPhrase  InversePhrase  Foreign Keys  Is Subtype 

request_card Check Constraints 
Check Constraint Name  CheckConstraint 
REQ01  request_type in('T','C') 
REQ02  retry >=0