我有一个包含数据的clob
<?xml version='1.0' encoding='UTF-8'?><root available-locales="en_US" default-locale="en_US"><static-content language-id="en_US"><![CDATA[<script type="text/javascript"> function change_case() { alert("here..."); document.form1.type.value=document.form1.type.value.toLowerCase(); } </script> <form name=form1 method=post action=''''> <input type=text name=type value=''Enter USER ID'' onBlur="change_case();"> <input type=submit value=Submit> </form> </form>]]></static-content></root>
在这种情况下,我想用onblur提取线
<input type=text name=type value=''Enter USER ID'' onblur="change_case();">
Tom Kyte说如何在sql或PL / sql代码中从clob获取varchar2
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::NO::P11_QUESTION_ID:367980988799
当你有varchar2时,你可以使用SUBSTR或REGEXP_SUBSTR函数来提取行.
http://docs.oracle.com/cd/B14117_01/server.101/b10759/functions147.htm#i87066
http://docs.oracle.com/cd/B14117_01/server.101/b10759/functions116.htm
select col1,col2,func1(dbms_lob.substr( t.col_clob,4000,1 )) from table1 t