appchannels 
Logical Entity Name  appchannels 
Default Table Name  appchannels 
Definition  Associates NSCL stream codes with programs (used in Jiggle) 

appchannels Attributes 
Attribute/Logical Rolename  Domain  Datatype  NULL  Definition 
progid(PK)(FK)    NUMERIC(8, 0)  NO  Keys to CONFIG_CHANNEL table 
net(PK)    VARCHAR(8)  NO  Unique network identifier. This character string is the name of a seismic network  
sta(PK)    VARCHAR(6)  NO  Station code. This is the common code-name of a seismic observatory. Generally only three or four characters are used  
seedchan(PK)    VARCHAR(3)  NO  SEED channel name. The first character denotes the band code, the second for the instrument code and the third represents the component code  
location(PK)    VARCHAR(2)  NO  Describes the individual sites on an array station, operated by the same network operator  
config    VARCHAR(64)  YES  Misc note used by config file generation scripts. Originally intended to identify configs within a program group 
ondate(PK)    DATE  NO  This attribute denotes the start date  
offdate    DATE  YES  This attribute denotes the end date  
lddate    DATE  YES  Load date. Date and time that the record was created or last modified, in Oracle date datatype  

appchannels Keys 
Key Name  Key Type  Keys 
config_chankey01_1  PrimaryKey  progid, net, sta, seedchan, location, ondate 

appchannels Relationships 
Parent Relationships: 
Entity Name  Type  Cardinality  Business Name  VerbPhrase  InversePhrase  Foreign Keys  Is Supertype 
applications  Identifying  One To Zero or More        progid  NO 
Child Relationships: 
Entity Name  Type  Cardinality  Business Name  VerbPhrase  InversePhrase  Foreign Keys  Is Subtype 

appchannels Check Constraints 
Check Constraint Name  CheckConstraint