fileid 
Base Entity  Filename 
Attribute Name  fileid 
Logical Rolename   
ColumnName  fileid 
RoleName   
Definition  Filename identifier. The key field is a unique identifier for a physical file on a disk 
Note   

dfile 
Base Entity  Filename 
Attribute Name  dfile 
Logical Rolename   
ColumnName  dfile 
RoleName   
Definition  Data file. This is the file name of a disk-based waveform file 
Note   

datetime_on 
Base Entity  Filename 
Attribute Name  datetime_on 
Logical Rolename   
ColumnName  datetime_on 
RoleName   
Definition  Time of first sample in the waveform file 
Note   

datetime_off 
Base Entity  Filename 
Attribute Name  datetime_off 
Logical Rolename   
ColumnName  datetime_off 
RoleName   
Definition  Time of last sample in the waveform file 
Note   

nbytes 
Base Entity  Filename 
Attribute Name  nbytes 
Logical Rolename   
ColumnName  nbytes 
RoleName   
Definition  Number of bytes. This quantity is the number of bytes in a waveform segment or a file 
Note   

subdirid 
Base Entity  Filename 
Attribute Name  subdirid 
Logical Rolename   
ColumnName  subdirid 
RoleName   
Definition  Directory identifier. The key field is a unique identifier for a directory name on a disk 
Note   

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