How do I store a string longer than 4000 characters in an Oracle Database using Java/JDBC?

Posted by Ventrue on Stack Overflow See other posts from Stack Overflow or by Ventrue
Published on 2010-05-22T07:54:04Z Indexed on 2010/05/22 8:00 UTC
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I’m not sure how to use Java/JDBC to insert a very long string into an Oracle database.

I have a String which is greater than 4000 characters, lets say it’s 6000. I want to take this string and store it in an Oracle database.

The way to do this seems to be with the CLOB datatype. Okay, so I declared the column as description CLOB.

Now, when it comes time to actually insert the data, I have a prepared statement pstmt. It looks like pstmt = conn.prepareStatement(“INSERT INTO Table VALUES(?)”).

So I want to use the method pstmt.setClob(). However, I don’t know how to create a Clob object with my String in it; there’s no constructor (presumably because it can be potentially much larger than available memory).

How do I put my String into a Clob?

Keep in mind I’m not a very experienced programmer; please try to keep the explanations as simple as possible. Efficiency, good practices, etc. are not a concern here, I just want the absolute easiest solution. I’d like to avoid downloading other packages if it all possible; right now I’m just using JDK 1.4 and what is labelled “ojdbc14.jar”. I've looked around a bit but I haven't been able to follow any of the explanations I've found.

If you have a solution that doesn’t use Clobs, I’d be open to that as well, but it has to be one column.

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