Comparing string delimited by semicolon in a column with another string

Hi
I have requirement like comparing a column which contains the string delimited by semi colon with a string delimited by semicolon. i.e. comparing the multiple values with multiple values.for this purpose i am using the following code
select ams.application_id,it_mgmt_chain
FROM tb_ams038_application ams,THE
(SELECT CAST
(Appmgmt_Str_To_Table
(NVL (ams.it_mgmt_chain,
) AS appmgmt_tabletype_string
FROM DUAL
AND (COLUMN_VALUE IN ( SELECT COLUMN_VALUE
FROM THE
(SELECT CAST
(Appmgmt_Str_To_Table
(nvl(NVL (replace('1234;8383;83939;93939',',',';'),
ams.it_mgmt_chain
) AS appmgmt_tabletype_string
FROM DUAL
here in the above it_mgmt_chain has the string containing numbers seperated by semi colon. and the Appmgmt_Str_To_Table function used to split the string and return it in the form of list. and appmgmt_tabletype_string is a varray which is created for spliting and storing purpose.
Can anyone please suggest the best way to do this task as the above code is giving a performance issue.

This example uses a "|" not a semicolon but it leverages the REGEXP_SUBSTR, SUBSTR, LENGTH to perform a parsing action.
http://blog.mclaughlinsoftware.com/plsql-programming/a-result-cache-function-returning-a-collection/
You may wish to remove the "THE" and replace it with "TABLE" too. Good luck.

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Refer:-https://sqlpowershell.wordpress.com/2015/01/09/sql-split-delimited-columns-using-xml-or-udf-function/
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Edited by: user11309581 on Jun 26, 2011 10:47 PM

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;10;2;3;4;8;9     1 ;10;2;3;4;8;9;1
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https://farhanfaiz.wordpress.com/2010/12/17/sharepoint-approval-status-value-of-publishing-pages/
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Comparing string delimited by semicolon in a column with another string

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