Note
This view was introduced in V2.2.77.
Purpose
Lists all sequences accessible to the user.
Applicability
This view applies only to OceanBase Database in Oracle mode.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| OWNER | VARCHAR2(128) | NO | The owner of the object. |
| OBJECT_NAME | VARCHAR2(128) | NO | The name of the SEQUENCE. |
| MIN_VALUE | NUMBER(28) | NO | The minimum value (inclusive) that the SEQUENCE can take. |
| MAX_VALUE | NUMBER(28) | NO | The maximum value (inclusive) that the SEQUENCE can take. |
| INCREMENT_BY | NUMBER(28) | NO | The step length for each value, which can be a positive or negative integer, but not 0. |
| CYCLE_FLAG | CHAR(1) | NO | Whether the SEQUENCE can cycle. |
| ORDER_FLAG | CHAR(1) | NO | Whether the values are globally ordered. |
| CACHE_SIZE | NUMBER(28) | NO | The number of values cached on each node. |
| LAST_NUMBER | NUMBER(38) | NO | The value to be assigned to the next node. |
Sample query
Query the details of all sequences that the current user can access.
obclient [SYS]> SELECT * FROM SYS.ALL_SEQUENCES;
The query result is as follows:
+----------------+---------------+-----------+------------------------------+--------------+------------+------------+------------+-------------+
| SEQUENCE_OWNER | SEQUENCE_NAME | MIN_VALUE | MAX_VALUE | INCREMENT_BY | CYCLE_FLAG | ORDER_FLAG | CACHE_SIZE | LAST_NUMBER |
+----------------+---------------+-----------+------------------------------+--------------+------------+------------+------------+-------------+
| SYS | SEQ_T1 | 1 | 9999999999999999999999999999 | 1 | N | N | 50 | 10050 |
+----------------+---------------+-----------+------------------------------+--------------+------------+------------+------------+-------------+
1 row in set
References
View all sequences in the current tenant: DBA_SEQUENCES
View sequences owned by the current user: USER_SEQUENCES