public Record remove(String... columns) {
		if (columns != null)
			for (String c : columns)
				this.getColumns().remove(c);
		return this;
	}
public Record remove ( String ... columns ) { if ( columns != null ) for ( String c : columns ) this . getColumns ( ) . remove ( c ) ; return this ; }
Remove columns of this record.
@param columns the column names of the record