Pathname 
Logical Entity Name  Pathname 
Default Table Name  Pathname 
Definition  Summary information on possible path options of waveforms for a given network 

Pathname Columns 
ColumnName  Domain  Datatype  NULL  Definition 
pathname(PK)    VARCHAR2(255)  NO  Path name 
net(PK)    VARCHAR2(8)  NO  Unique network identifier. This character string is the name of a seismic network 
wave_fmt(PK)    NUMBER(2, 0)  NO  Waveform type 

Pathname Primary and Unique Keys 
Key Name  Key Type  Keys 
PK5  PrimaryKey  pathname, net, wave_fmt 

Pathname Foreign Keys 
Parent Relationships: 
Table Name  Type  Cardinality  Constraint Name  VerbPhrase  InversePhrase  Foreign Keys  Is Supertype  Deferrable  Initially Deferred 
Child Relationships: 
Table Name  Type  Cardinality  Constraint Name  VerbPhrase  InversePhrase  Foreign Keys  Is Subtype  Deferrable  Initially Deferred 

Pathname Check Constraints 
Check Constraint Name  CheckConstraint