Thanks for the post - I'm going to try this out and let you know how it worked
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Looking for Java code sample - doing a DB2 Database cursor delete
Hello,
I'm looking for a java code example doing a delete from a db2 database table using a cursor. I have a table with loads of data in it that I need to clean out using a cursor.
My old program simply issued the statement:
delete from TABLENAME where FIELDNAME < '2005-10-01-00.00.00.00000
Something like that. But - problem is there's too much data that qaulifies for deltion and the transaction logs fill up. So DBAs tell me I need to use a cursor to do the delete. This is something new to me!
Thanks in advance for your sample code
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Answers
yeah the result set scrolling will open a cursor on the db (depending on the database and driver).. This is the only way to do this type of thing efficiently in java. You will still probably want to run inside of a transaction and commit every xx number of rows though, this way the transaction logs won't fill up.
Here is a link that should get you started with the transactions.. (http://java.sun.com/docs/
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by: matthewdflemingPosted on 2005-10-12 at 09:52:36ID: 15070616
Connection con = DriverManager.getConnectio
Statement stmt = con.createStatement(Result
ResultSet uprs = stmt.executeQuery("SELECT * FROM table_to_delete");
while (uprs.next()) {
uprs.deleteRow();
}