Re: Clob or Blob in JDBC
От | Matt Fair |
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Тема | Re: Clob or Blob in JDBC |
Дата | |
Msg-id | 3973E5C9.9FCDA902@netasol.com обсуждение исходный текст |
Ответ на | Re: Clob or Blob in JDBC (Joachim Achtzehnter <joachim@kraut.bc.ca>) |
Список | pgsql-interfaces |
Thank you for your help and quick response. Matt Fair Joachim Achtzehnter wrote: > On Mon, 17 Jul 2000, Matt Fair wrote: > > > > 1. How can I store a String into the database? (can be up to 4000 > > characters, so I do not want to use varchar) I have been told that if > > I were to take that string and convert it into a byte[] that I could > > store it like that. > > A BLOB can be stored using the setBytes() method of PreparedStatement, it > can be retrieved using the getBytes() method of ResultSet. > > > 2. Do I have to manually set the OID number? > > No, the setBytes() method will do this for you. > > Note, that BLOB operations must be done inside a transaction. Do NOT use > the autocommit setting when manipulating BLOBS. > > > 3. Is there a place on the internet where I can download the source for > > the most current jdbc? > > The most current would be in CVS. Released versions of Postgresql > including the JDBC driver are available as compressed tar files. See > http://www.postgresql.org (click on Software) for the links. > > Joachim
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