W3cubDocs

/MariaDB

COLUMN_DELETE

MariaDB starting with 5.3

The Dynamic columns feature was introduced in MariaDB 5.3.

Syntax

COLUMN_DELETE(dyncol_blob, column_nr, column_nr...);
COLUMN_DELETE(dyncol_blob, column_name, column_name...);

Description

Deletes a dynamic column with the specified name. Multiple names can be given. The return value is a dynamic column blob after the modification.

Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.

© 2019 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/column_delete/