Xml file is larger than the write mybatis sql statement, greater than or equal, less than, less than or equal wording

Mybatis.xml file is greater than or less

The first written:
Symbol escape character
<& lt;
<= & lt; =
> & gt;
> = & gt; =
& & amp;
'& apos,;
"& quot;

For example: sql follows:

date_sub(curdate(),interval 1 month) <![CDATA[ <= ]]> date(c.create_time)

The second writing:

Greater than <! [CDATA [>]]>

Greater than or equal <! [CDATA [> =]]>

Less than <! [CDATA [<]]>

Less <! [CDATA [<=]]>

例如：sql如下：date_sub(curdate(),interval 1 month) <![CDATA[ <= ]]> date(c.create_time)