![]() | RIP database ER-Diagram III : object versioning |
+-------------+ +-------------+
| last | | serials |
+-------------+ 1 +-------------+
| serial | 1 +-}-o serial | 1
| prev_serial o---}-+ | prev_serial o--}-+
| object | | | object | |
+-------------+ | +-------------+ |
| |
+----------------------+