Re: getting X rows at a time via JDBC (i.e. no cursors)

The only way I know, without cursor processing, to get a limited number of records is to use
where ROWNUM ( not rowid) < some_number 1 greater that the # of rows you want...

Otis Gospodnetic <otis_at_my-deja.com> wrote:

>Hello,
>
>This seems like it is a FAQ, but I can't find any answers applicable to
>my situation...again :(
>
>Platform: Oracle 8i on Linux, JDBC.
>
>How does one go about getting X rows from a database (Oracle 8i) at a
>time without using stored procedures and CallableStatements?
>
>I know I could get all the rows once, store the ResultSet and then get
>X elements from it at a time, but I don't want to store ResultSets (I
>think they would use a ton of memory in my app)
>
>I read some docs over on technet.oracle.com that mention ROWID, but
>their examples show only queries with '...WHERE ROWID > somethinghere'
>But what I really need is something like '...WHERE ROWID > X AND ROWID
>< X+10'
>
>(where X is a number)
>
>ROWIDs in my database are not stored as numbers so I can't do something
>like WHERE ROWID > 0 AND ROWID < 11. They seem to be stored as some
>kind of hex(?) value (i.e. alphanumeric characters) which means I can't
>use < and > operators...unless I convert those ROWID values to
>integers, but I'm afraid that such a conversion would become very
>expensive as the number of rows increases.
>
>Any help would be appreciated.
>
>Thank you,
>
>Otis
>
>
>Sent via Deja.com http://www.deja.com/
>Before you buy.
Received on Tue Apr 11 2000 - 00:00:00 CDT