Note
This view is available starting with V2.2.30.
Purpose
This view displays the index column information of all tables owned by the current user.
Applicability
This view is available only in Oracle-compatible mode of OceanBase Database.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| INDEX_NAME | VARCHAR2(128) | NO | The name of the index. |
| TABLE_NAME | VARCHAR2(128) | NO | The owner 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 (DESC) or ascending (ASC) order. |
| COLLATED_COLUMN_ID | NUMBER | NO | This column is not supported. The default value is NULL. |
Sample query
Query the index column information of the index table TBL2 in all tables owned by the current user.
obclient [SYS]> SELECT * FROM USER_IND_COLUMNS WHERE TABLE_NAME='TBL2';
The query result is as follows:
+--------------------------------+------------+-------------+-----------------+---------------+-------------+---------+--------------------+
| INDEX_NAME | TABLE_NAME | COLUMN_NAME | COLUMN_POSITION | COLUMN_LENGTH | CHAR_LENGTH | DESCEND | COLLATED_COLUMN_ID |
+--------------------------------+------------+-------------+-----------------+---------------+-------------+---------+--------------------+
| TBL2_OBUNIQUE_1737535889306073 | TBL2 | COL1 | 1 | 22 | 0 | ASC | NULL |
| TBL2_IDX1 | TBL2 | COL2 | 1 | 22 | 0 | ASC | NULL |
+--------------------------------+------------+-------------+-----------------+---------------+-------------+---------+--------------------+
2 rows in set