# COLUMN\_DELETE

## Syntax

```sql
COLUMN_DELETE(dyncol_blob, column_nr, column_nr...)
COLUMN_DELETE(dyncol_blob, column_name, column_name...)
```

## Description

Deletes a [dynamic column](https://mariadb.com/docs/server/reference/sql-structure/nosql/dynamic-columns) with the specified name. Multiple names can be given. The return value is a dynamic column blob after the modification.

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