SHOW COLUMNS
Warning
SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.
On this page
Show the list of columns within a given table.
Syntax
SHOW [FULL] COLUMNS {FROM | IN} tbl_name [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr]
Remarks
-
LIKE
'pattern' can be used to filter the list by name.SQL LIKE clause. -
This command must be run on the Master Aggregator or a child aggregator node (see Node Requirements for SingleStore Commands).
-
See the Permission Matrix for the required permission.
Output
Column |
Description |
---|---|
|
Field name |
|
|
|
Whether this column allows nulls |
|
An attribute or attributes that uniquely identify table rows. |
|
Default value, if applicable |
|
Additional information |
Example
SHOW COLUMNS IN mytbl;+----------+------------+------+-----+---------+-------+| Field | Type | Null | Key | Default | Extra |+----------+------------+------+-----+---------+-------+| seq | int(11) | YES | MUL | NULL | || state | int(11) | YES | | NULL | || st_case | varchar(8) | YES | | NULL | || veh_no | varchar(2) | YES | | NULL | || drimpair | varchar(2) | YES | | NULL | |+----------+------------+------+-----+---------+-------+5 rows in set (0.00 sec)
Last modified: May 22, 2023