Subject | Re: [Firebird-Architect] Cursors |
---|---|
Author | Ann W. Harrison |
Post date | 2004-06-05T15:54:03Z |
At 11:28 AM 6/4/2004, Miroslav Halas wrote:
is contained in the data. The location of the data is irrelevant. The
order of the data is irrelevant and mutable, unless the query specifies
that it be sorted by some data. One long term goal is to allow parallel
searches across disks which will actually return data in different order
depending on the loads on the disks.
This is a long winded and pedantic way of saying that your query doesn't
make sense. Unless the records are numbered, there is no 50,000th
record.
Regards,
Ann
>My question was if you can suggest solution if I have table with let sayOne of the principles of relational databases is that all information
>100,000 records and I want to display record 50,000 - 50,010? How to do
>it effectively and fast?
is contained in the data. The location of the data is irrelevant. The
order of the data is irrelevant and mutable, unless the query specifies
that it be sorted by some data. One long term goal is to allow parallel
searches across disks which will actually return data in different order
depending on the loads on the disks.
This is a long winded and pedantic way of saying that your query doesn't
make sense. Unless the records are numbered, there is no 50,000th
record.
Regards,
Ann