Thank you very much. It works !
Greg
Le dimanche 08 janvier 2006 15:21 -0800, Daniel John Debrunner a crit :
Grgoire Dubois wrote:
Here is some sample code.
Thanks for the repro.
If you change the statement type to ResultSet.TYPE_FORWARD_ONLY from
ResultSet.TYPE_SCROLL_INSENSITIVE
Hi all,
Here is the select I do on the following table. If file is a BLOB(2G), the request is very very slow (30-60s), even if there is only one line for the table. But if I replace BLOB(2G) by BLOB(5M) or BLOB(1G), the request becomes very fast.
Is there a reason ? Is there a workaround ?
Bernt M. Johnsen wrote:
Hi,
Please post your SQL and JDBC code. That might make it possible to us
to see whay you have performance problems.
The SQL is very simple: SELECT * FROM system_log_view
(although there may be optional search and ordering criteria as well, as
specified by the user,
Daniel John Debrunner wrote:
So it's a bug, but there is a workaround.
I have opened Jira entry - DERBY 802 for this.
Thanks,
Sunitha.
I don't read the blob in my request (the blob is db_file.file, and it isn't used in the select) :
SELECT DISTINCT db_file.ID,db_file.name,db_file.reference,db_file.hash FROM db_file ORDER BY db_file.name;
And the slowliness of the request isn't related to the data filled in the blob, it is
As with everything in databases, performance depends on what you're
doing. (What follows is general database information, not Derby
specific.) If you have a query like:
select bannerbannerid
from SSiteRequest
where BANNERBANNERID=6
and WEBSITESWEBSITEID=10
and USERSUSERID=1
then the composite
Title: Re: Problems opening DB on HP Tandem
Thanks for getting back to
me. Yes, HP does indeed have a JVM at 1.4.2, but unfortunately we are not
really close to upgrading yet - different department
altogether...:(
And yes, I did get the same error when
trying to create the db.
I will
Legolas Woodland wrote:
Hi
Thank you for reading my post.
how i can get current date in derby SQL ?
something like Date() ??
http://db.apache.org/derby/docs/10.1/ref/rrefsqlj34177.html
thanks,
bryan
Hi
Thank you for reading my post.
I have an update statement which i execute over a table in my database.
now when i execute the update statement from my application (even after
i exit the method that update the table)
i can not use select statement over the same table.
here is my update
Hi
Thank you for reading my post.
I defined a datasource and connection pooling in my web application.
maximum size of pool is 32 ,
after some times that i deploy-undeploy the application in development
environment ,
derby console windows show which after starting shows connection numbers
,
Ok, I must have a problem, as I seem to have the same problem with mysql.
Thanks for your help.
Best regards.
Le lundi 09 janvier 2006 20:02 +0100, Grgoire Dubois a crit :
I don't read the blob in my request (the blob is db_file.file, and it isn't used in the select) :
SELECT
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