> Hello list :)
>
> I am developing an application that will show records in paginated
> documents, i.e. 10 records per page
>
> Lets supose this row structure
>
> MyTable
> ID(autoincrement) SectionID Name Description
>
> The ID is automatic autoincrement for unique records, the SectionID is to
> separate items into different sections.
>
> If I query a particular SectionID rows it should return all those rows.
>
> If I use "LIMIT x,10" it should return 10 rows beginning at record #x, but
> my doubt is:
>
> Does the OFFSET x assumes its value to be #x number of consecutive rows,
> or
> it is relative to the query results?
>
> For example
>
> ID SID name description
> ------------------------------------------
> 01 01 nameA descriptionA
> 02 02 nameB descriptionB
> 03 01 nameC descriptionC
> 04 02 nameD descriptionD
> 05 02 nameE descriptionE
> 06 01 nameF descriptionF
> 07 02 nameG descriptionG
> 08 01 nameH descriptionH
> 09 02 nameI descriptionI
> 10 02 nameJ descriptionJ
> ------------------------------------------
>
> If I do
> SELECT name from MyTable SID where SID='02' LIMIT 1,2 (offset 1, 2
> elements)
> it should return: nameB, nameD
>
> theni f I do
> SELECT name from MyTable SID where SID='02' LIMIT 3,2 (offset 3, 2
> elements)
> it should return: nameE, nameG
>
> and if I do
> SELECT name from MyTable SID where SID='02' LIMIT 3,2 (offset 5, 2
> elements)
> it should return: nameI, nameJ
>
> Is it correct? My doubt is if the OFFSET is relative to the SELECT results
> (to ignore the # first result rows) that match the condition SID='02'
> only,
> to show 2 by 2 records (or N by N)...
Just by trying the above statement, you could have figured out the answer in
probably less time than the time it took you to write this message :-)
With regards,
Martijn Tonies
Upscene Productions
http://www.upscene.com
Download Database Workbench for Oracle, MS SQL Server, Sybase SQL
Anywhere, MySQL, InterBase, NexusDB and Firebird!
Database questions? Check the forum:
http://www.databasedevelopmentforum.com