Contents: Ceramic Disc Hole Type Coding Index
Primary Key: CD_HOLE
Columns:
| Name | Type | Size | Contents |
| CD_HOLE | NUMBER | Ingeter | Disc hole type code |
| TEXT | VARCHAR | 100 | Disc hole type description |
Codes:
| CD_HOLE | TEXT |
| -9 | Indeterminate |
| 0 | None |
| 1 | Semi, one-side |
| 2 | Semi, two-sides |
| 3 | Perforation |