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PO PreparedStatement error
 

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  1. PO PreparedStatement error
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    <p>I have two select statements and make 'union all' for these two statements. Then, I use the PreparedStatement and when I setString to this preparedStatement, it shows <strong>"java.sql.SQLException: Missing IN or OUT parameter at index:: 2".</strong> </p> <p>After I toured around google, some people say that for each "?" in sql statment, I should write setString. For my situation, I have two select statments so I have two "?" but I "union all", so I'm not sure whether it is assumed that one "?" or two "?". But when I tried to write two setString like <strong>preparedStatement.setString(1,ApplicationNo); preparedStatement.setString(2,ApplicationNo);</strong> , it shows <strong>"ORA-00918: column ambiguously defined".</strong></p> <p>I have no idea how to solve this problem.</p> <p>my union select statment is </p> <pre><code>query.append("select TO_CHAR(TRUNC(SYSDATE),'DD MONTH,YYYY'),a.appl_no,a.assigned_to,b.co_name,b.co_name2,a.credit_acct_no,a.credit_bank_no,a.credit_branch_no,a.service_id "); query.append("from newappl a, newappl_hq b where b.appl_no = a.appl_no and a.appl_no=(select appl_no from newappl where appl_no=?) and rownum=1 and credit_status = 'CRPEND'"); query.append(" union all "); query.append("select TO_CHAR(TRUNC(SYSDATE),'DD MONTH,YYYY'),a.appl_no,a.assigned_to,c.trading_name co_name, ' ' co_name2, d.bank_acct_no credit_acct_no, d.bank_no credit_bank_no, d.bank_branch_no credit_branch_no,a.service_id "); query.append("from newappl a,newappl_hq b, newappl_ret c, newappl_ret_bank d where b.appl_no = a.appl_no or a.appl_no = c.appl_no and c.ret_id= d.ret_id and a.appl_no=(select appl_no from newappl_ret where appl_no=?) and rownum=1 and credit_status = 'CRPEND'");* </code></pre> <p>setString is <strong>preparedStatement.setString(1,ApplicationNo);</strong></p> <p>When I searched for setString example, there are two different parameters if there are two setString like </p> <pre><code>preparedStatement.setString(1,ApplicationNo); preparedStatement.setString(2,LoginID); </code></pre> <p>But I need ApplicationNo for both select statments.</p>
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