Re: Performance problem with big table!
Posted in 1999
Check your OPTCOMPIND, this should be 0. If it is not 0, this will have impact on SQL selects being scanned sequentially. Rgds "Art S. Kagel" wrote: > Have you updated statistics according to the recommendations in the > Performance Guide? Or get my dostats.ec utility which implements this > protocol for generating and maintaining useful database statistics and data > distribution information for the optimizer. Dostats is part of the package > utils2_ak which is available for download from the IIUG Software Repository. > > Art S. Kagel > > "Kim, Hyung Soo" wrote: > > > > Do you using clusterd index? > > > > Xavier Mertens <xavier@euro.net>ÀÌ(°¡) ¾Æ·¡ ¸Þ½ÃÁö¸¦ > > news:Pine.GSO.4.21.9912110107250.9821-100000@caolila¿¡ °Ô½ÃÇÏ¿´½À´Ï´Ù. > > > Hi *, > > > > > > We run an IDS 7.31 on a SUN Enterprise 450. > > > The database contains some tables with no more than 1000000 rows. > > > > > > Today we added a new table with 10.000.000 rows and 3 indexes. (the table > > has > > > less than 10 fields) > > > > > > A simple query like "select * from table where label = x" take more than > > 10"!!! > > > (and label is a unique index) > > > > > > Any idea? > > > > > > X > > > > > > -- > > > Xavier Mertens, . . EuroNet Internet > > > Network Operation Center . * a subsidiary of France Telecom > > > XM3-RIPE XM1-6BONE . > > >