Different methods involved in insertion of records into the table

hi all,
i am using Forms [32 Bit] Version 6.0.8.24.1 (Production)
Oracle Database 10g Release 10.2.0.1.0 - Production
i have parameters like emp_code(optional) and year(mandatory field-four digit year).
Based on the parameter i have to get the details from one table and those records should be inserted into other table along with additions columns(by hardcoding the additional columns).
To acheive this i am planning to get a cursor by selecting the necessay fields from the table passing the parameters in the where clause of the cursor.
by looping through the cursor i will insert the records into the other table.
here the thing is the data is going to be huge (since year is the parameter).
so is my approach leads to the performance issue.
i heard that there are different method of insetions,
can anybody suggest me the better way(peformance wise) other than what i have mentioned (if you are aware of)..
Thanks..

This is not really a Forms issue, so you'd better go to the sql and pl/sql forum. Here, this question has been asked many times: how do I insert large volumes of data in a table?
insert into ...
select ....
or CTAS (create table as select ....)
by looping through the cursor i will insert the records into the other table.That is really the worst idea. If you can do it in sql (insert into ... select ...) DON'T do it in pl/sql.

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Orahar wrote:
Its Distributed data. No. of clients and N no. of Transaction data fetching from the database based on the different conditions and insert into another transaction table which is like batch process.Sounds contradictory.
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But I am not sure why it is giving an exception as Violation of PRIMARY KEY.
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The exception only happens when I am trying to insert a new record.
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        private String tele;
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<input type="text" name="civilStatus" size="14" style="border:1px solid #0000FF;
color: #FF0000; font-weight: bold">
<input type="text" name="tele" size="14" style="border:1px solid #0000FF;
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<input type="text" name="eduQua" size="14" style="border:1px solid #0000FF;
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<%@ page import="hrm.CandidateMgr" %>
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<%-- else display InterError.html --%>
<%
String nextPage ="MainForm.jsp";
if(candidate.addInter()){
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%>
<jsp:forward page="<%=nextPage%>"/>.......................................................................
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root cause
java.lang.NullPointerException
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I use JSP 1.2 , mySQL with TOMCAT. My table name is Candidate.It's fields are as follows:
Candidate(nicNo,title,fName,civilStatus,tele,eduQua)
Can anybody tell me whats going on, help me to solve this please.
Thanks.

you should try something different, since you are mixing up a lot of code.
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Different methods involved in insertion of records into the table

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