SHOW KEYS
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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 database.name  - 
        
db_- name of a SingleStore database.name  - 
        
expr- SQL WHERE clause - 
        
This command must be run on the master aggregator or a child aggregator node (see Node Requirements for SingleStore Commands).
 
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: June 22, 2022