Re: Spread table.



Thanks for your reply but the question is how can I set one table into
separate file and I will devide that files into three different physical
drive but I wanna know how can I split one table into three different files.

Thanks

"Andrew J. Kelly" wrote:

> This is not true for SQL 2000 and above. It used to be in 7.0 that a single
> thread was used per file. In 2000 it can use multiple threads on a single
> file. 10 million rows is not a lot and you don't gain much by creating
> multiple files unless each file is on a separate drive array. Not a
> separate Logical drive but a physical drive. But on a fast array such as a
> Raid 10 and with multiple processors Sql Server can use multiple threads to
> read a single file in parallel.
>
> --
> Andrew J. Kelly SQL MVP
>
>
> "Rogers" <Rogers@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:98DB88E9-DEFB-49AB-8DED-ED11C6F9A6B9@xxxxxxxxxxxxxxxx
> > If your database is very large and very busy, multiple files can be used
> > to
> > increase performance. Here is one example of how you might use multiple
> > files. Let's say you have a single table with 10 million rows that is
> > heavily
> > queried. If the table is in a single file, such as a single database file,
> > then SQL Server would only use one thread to perform a sequential read of
> > the
> > rows in the table. But if the table were divided into three physical files
> > (all part of the same filegroup), then SQL Server would use three threads
> > (one per physical file) to sequentially read the table, which potentially
> > could be much faster. In addition, if each file were on its own separate
> > disk
> > or disk array, the performance would even be greater.
> >
> > Can any one let me know how can I spread one large table into three
> > different files.
>
>
>
.



Relevant Pages

  • Re: Spread table.
    ... multiple files unless each file is on a separate drive array. ... Raid 10 and with multiple processors Sql Server can use multiple threads to ... If the table is in a single file, such as a single database file, ...
    (microsoft.public.sqlserver.clients)
  • Re: fread, explode, and eof problem
    ... quotes from multiple text files in a directory, ... to separate into an array of names and quotes. ...
    (comp.lang.php)
  • fread, explode, and eof problem
    ... I have a 'random quotes' plugin that I use which reads tab delimited ... quotes from multiple text files in a directory, ... to separate into an array of names and quotes. ...
    (comp.lang.php)
  • Re: Design for historical data
    ... > types of visits are really that, 3 separate types of visits, which store ... billion rows of page delivery history in a system I helped build (I know ... Good design is important, decent, well balanced hardware (disk, ... Pro SQL Server 2000 Database Design - ...
    (microsoft.public.sqlserver.programming)
  • Re: Veritas storage foundation HA for windows
    ... This is a solution to manage your data, not the services like SQL Server. ... To make an application cluster suitable ("cluster aware" is for used for ... Most of the time that we have hardware failure, ... Hope you have multiple generators, multiple UPS's, multiple switches, ...
    (microsoft.public.sqlserver.clustering)