Block Class
EXEM Knowledge Base
블록 클래스의 값과 의미는 다음과 같다.
| Class | Description |
|---|---|
| 1 | data block |
| 2 | sort block |
| 3 | save undo block |
| 4 | segment header |
| 5 | save undo header |
| 6 | free list |
| 7 | extent map |
| 8 | 1st level bmb |
| 9 | 2nd level bmb |
| 10 | 3rd level bmb |
| 11 | bitmap block |
| 12 | bitmap index block |
| 13 | file header block |
| 14 | unused |
| 15 + 2*r | undo header block(r = Undo Segment 번호. 0 = System undo segment) |
| 16 + 2*r | undo block(r = Undo Segment 번호. 0 = System undo segment) |