Note
This view is available starting with V2.2.30.
Purpose
This view displays the index column information of all tables that the user can access.
Applicability
This view applies only to OceanBase Database in Oracle-compatible mode.
Columns
Column |
Type |
Nullable |
Description |
|---|---|---|---|
| INDEX_OWNER | VARCHAR2(128) | NO | The owner of the index. |
| INDEX_NAME | VARCHAR2(128) | NO | The name of the index. |
| TABLE_OWNER | VARCHAR2(128) | NO | The owner of the table to which the index belongs. |
| TABLE_NAME | VARCHAR2(128) | NO | The name of the table to which the index belongs. |
| COLUMN_NAME | VARCHAR2(4000) | NO | The name of the index column. |
| COLUMN_POSITION | NUMBER | NO | The position of the index column in the index. |
| COLUMN_LENGTH | NUMBER | NO | The length of the index column. |
| CHAR_LENGTH | NUMBER | NO | The character length of the index column. |
| DESCEND | VARCHAR2(4) | NO | Indicates whether the index column is sorted in descending order (DESC) or ascending order (ASC). |
| COLLATED_COLUMN_ID | NUMBER | NO | This column is not supported. The default value of this column is NULL. |
Sample query
Query the index column information of the index table TBL2 that the user can access.
obclient [SYS]> SELECT * FROM ALL_IND_COLUMNS WHERE TABLE_NAME='TBL2';
The query result is as follows:
+-------------+--------------------------------+-------------+------------+-------------+-----------------+---------------+-------------+---------+--------------------+
| INDEX_OWNER | INDEX_NAME | TABLE_OWNER | TABLE_NAME | COLUMN_NAME | COLUMN_POSITION | COLUMN_LENGTH | CHAR_LENGTH | DESCEND | COLLATED_COLUMN_ID |
+-------------+--------------------------------+-------------+------------+-------------+-----------------+---------------+-------------+---------+--------------------+
| SYS | TBL2_OBUNIQUE_1737535889306073 | SYS | TBL2 | COL1 | 1 | 22 | 0 | ASC | NULL |
| SYS | TBL2_IDX1 | SYS | TBL2 | COL2 | 1 | 22 | 0 | ASC | NULL |
+-------------+--------------------------------+-------------+------------+-------------+-----------------+---------------+-------------+---------+--------------------+
2 rows in set