Important
Helios features are now enabled during weekly update windows and are no longer directly tied to SingleStore engine releases. Refer to the release notes to view the latest features available in your Helios cluster.
SHOW KEYS
On this page
Show the list of keys associated with a given table.
Syntax
SHOW KEYS
{FROM | IN} tbl_name
[{FROM | IN} db_name]
[WHERE expr]Remarks
-
tbl_- name of a table in a SingleStore Helios database.name -
db_- name of a SingleStore Helios database.name -
expr- SQL WHERE clause
Output
|
Column |
Description |
|---|---|
|
|
Table name |
|
|
Non-unique |
|
|
Key name |
|
|
Sequence in the index |
|
|
Column name |
|
|
Collation |
|
|
Cardinality |
|
|
Sub-part |
|
|
Packed |
|
|
Null |
|
|
Index type (see Index) |
|
|
Comment |
|
|
Comment |
Example
SHOW KEYS in mytbl;
+-------+------------+-----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+-------+------------+-----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| mytbl | 1 | seq | 1 | seq | NULL | NULL | NULL | NULL | YES | BTREE | | |
| mytbl | 1 | seq_index | 1 | seq | NULL | NULL | NULL | NULL | YES | BTREE | | |
+-------+------------+-----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
2 rows in set (0.00 sec)Last modified: