framework/db/QueryBuilder.php
public function dropColumn($table, $column)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table)
            . ' DROP COLUMN ' . $this->db->quoteColumnName($column);
    }
public function dropColumn($table, $column)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table)
            . ' DROP COLUMN ' . $this->db->quoteColumnName($column);
    }
Builds a SQL statement for dropping a DB column.
@param string $table the table whose column is to be dropped. The name will be properly quoted by the method.
@param string $column the name of the column to be dropped. The name will be properly quoted by the method.
@return string the SQL statement for dropping a DB column.