BLOCKCHAIN_TABLE_RETENTION_THRESHOLD
BLOCKCHAIN_TABLE_RETENTION_THRESHOLD lets you control the maximum amount of idle time that can be specified when a database user without the TABLE RETENTION system privilege creates or alters a blockchain table or an immutable table.
| Property | Description |
|---|---|
| Parameter type | Integer |
| Default value | 16 |
| Modifiable | ALTER SYSTEM |
| Modifiable in a PDB | Yes |
| Range of values | 0 to 365,000 |
| Basic | No |
| Oracle RAC | The same value must be used on all instances. |
The idle time for a non-empty blockchain table or a non-empty immutable table represents the length of time (in days) the table must be inactive before it can be dropped.
Note: This parameter is available starting with Oracle AI Database 26ai.