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Build dynamic sql query for JSTL <sql:query>

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I am using JSTL to build JSP pages. Depending on input parameters, I
want the JSP pages to query a database based on different SQL queries.

For example, instead of using the following hard-coded-in "Select"
query, I want to build the "Select *** from ***" statement dynamically.

<sql:query var="grs" dataSource="jdbc/testdb">
select distinct group_name from user_groups order by group_name

For example, I'd to change above sql:query to the following example:

<% String qry= "select distinct group_name from user_groups order by

<sql:query var="grs" dataSource="jdbc/testdb">

Is this possible?


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