an integer type: <strong>TINYINT</strong>, <strong>SMALLINT</strong>, <strong>MEDIUMINT</strong>, <strong>INT</strong>, <strong>BIGINT</strong>.</li>
	<li><strong>COLUMN_TYPE</strong>: full description of column type</li>
	<li><strong>is_signed</strong>: <strong>1</strong> if type is SIGNED, <strong>0</strong> if UNSIGNED</li>
	<li>
		<strong>is_unsigned</strong>: <strong>1</strong> if type is UNSIGNED, <strong>0</strong> 
		if SIGNED. This is just the opposite of <strong>is_signed</strong> and is provided 