protected function getDropColumnCommentSQL($tableName, $columnName)
    {
        if (strpos($tableName, '.') !== false) {
            [$schemaSQL, $tableSQL] = explode('.', $tableName);
            $schemaSQL              = $this->quoteStringLiteral($schemaSQL);
            $tableSQL               = $this->quoteStringLiteral($tableSQL);
        } else {
            $schemaSQL = "'dbo'";
            $tableSQL  = $this->quoteStringLiteral($tableName);
        }

        return $this->getDropExtendedPropertySQL(
            'MS_Description',
            'SCHEMA',
            $schemaSQL,
            'TABLE',
            $tableSQL,
            'COLUMN',
            $columnName
        );
    }