| fileid |
| Base Table | Filename |
| Attribute Name | fileid |
| ColumnName | fileid |
| Logical Rolename | |
| RoleName | |
| Definition | Filename identifier. The key field is a unique identifier for a physical file on a disk |
| Note |
| dfile |
| Base Table | Filename |
| Attribute Name | dfile |
| ColumnName | dfile |
| Logical Rolename | |
| RoleName | |
| Definition | Data file. This is the file name of a disk-based waveform file |
| Note |
| datetime_on |
| Base Table | Filename |
| Attribute Name | datetime_on |
| ColumnName | datetime_on |
| Logical Rolename | |
| RoleName | |
| Definition | Time of first sample in the waveform file |
| Note |
| datetime_off |
| Base Table | Filename |
| Attribute Name | datetime_off |
| ColumnName | datetime_off |
| Logical Rolename | |
| RoleName | |
| Definition | Time of last sample in the waveform file |
| Note |
| nbytes |
| Base Table | Filename |
| Attribute Name | nbytes |
| ColumnName | nbytes |
| Logical Rolename | |
| RoleName | |
| Definition | Number of bytes. This quantity is the number of bytes in a waveform segment or a file |
| Note |
| subdirid |
| Base Table | Filename |
| Attribute Name | subdirid |
| ColumnName | subdirid |
| Logical Rolename | |
| RoleName | |
| Definition | Directory identifier. The key field is a unique identifier for a directory name on a disk |
| Note |
| lddate |
| Base Table | Filename |
| Attribute Name | lddate |
| ColumnName | lddate |
| Logical Rolename | |
| RoleName | |
| Definition | Load date. Date and time that the record was created or last modified |
| Note |