I've just been skimming these so forgive me if this is a dup. Oracle's Database: Unbreakable Security. Can't Break It. Can't Break In.
Oh wait that one is still being marketed. ;-) - Brian --- Jonathan Lewis <[EMAIL PROTECTED]> wrote: > > How about - > Oracle's decision to use an index for a > query is determined by the percentage > of rows from the table identified by the > index. > > Hints are only suggestions and Oracle > is allowed to ignore them > > > Jonathan Lewis > http://www.jlcomp.demon.co.uk > > Next Seminar - UK, April 3rd - 5th > http://www.jlcomp.demon.co.uk/seminar.html > > Host to The Co-Operative Oracle Users' FAQ > http://www.jlcomp.demon.co.uk/faq/ind_faq.html > > Author of: > Practical Oracle 8i: Building Efficient Databases > > > -----Original Message----- > To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> > Date: 13 March 2002 17:02 > > > |Yep, had that one... another of my fav's! > | > |Robert G. Freeman - Oracle8i OCP > |Oracle DBA Technical Lead > |CSX Midtier Database Administration > | > |The Cigarette Smoking Man: Anyone who can appease a man's conscience > can > |take his freedom away from him. > | > | > | > |-----Original Message----- > |Sent: Wednesday, March 13, 2002 8:28 AM > |To: Multiple recipients of list ORACLE-L > | > | > |And the time honoured favourite... > | > |"All performance problems can be resolved by > |modification of init.ora parameters, in particular, > |any parameter that starts with an underscore" > | > | --- Jonathan Lewis <[EMAIL PROTECTED]> > |wrote: > > |> My next to favourite legends. > |> > |> Small tables don't need to be indexed > |> > |> Small tables are anything 4 blocks or less > |> > |> Oracle copies the entire row into the rollback > |> segment when updating a single column. > |> > |> Oracle copies the entire block into the rollback > |> segment when updating a row. > |> > |> Oracle can only use 5 indexes in a query > |> (though I haven't heard that one much > |> recently) > |> > |> Setting tablespace default pctincrease to 1 > |> reduces > |> fragmentation problems. > |> (but that's going out of fashion too) > |> > |> But I guess you, Jeremiah and Rachel have > |> already got those covered. > |> > |> > |> > |> Jonathan Lewis > |> http://www.jlcomp.demon.co.uk > |> > |> Next Seminar - UK, April 3rd - 5th > |> http://www.jlcomp.demon.co.uk/seminar.html > |> > |> Host to The Co-Operative Oracle Users' FAQ > |> http://www.jlcomp.demon.co.uk/faq/ind_faq.html > |> > |> Author of: > |> Practical Oracle 8i: Building Efficient Databases > |> > |> > |> -----Original Message----- > |> To: Multiple recipients of list ORACLE-L > |> <[EMAIL PROTECTED]> > |> Date: 12 March 2002 22:54 > |> > |> > |> |Everyone, some great ideas.... > |> | > |> |RF > |> | > |> |Robert G. Freeman - Oracle8i OCP > |> |Oracle DBA Technical Lead > |> |CSX Midtier Database Administration > |> > |> > |> -- > |> Please see the official ORACLE-L FAQ: > |> http://www.orafaq.com > |> -- > |> Author: Jonathan Lewis > |> INET: [EMAIL PROTECTED] > |> > |> Fat City Network Services -- (858) 538-5051 FAX: > |> (858) 538-5051 > |> San Diego, California -- Public Internet > |> access / Mailing Lists > |> > |-------------------------------------------------------------------- > |> To REMOVE yourself from this mailing list, send an > |> E-Mail message > |> to: [EMAIL PROTECTED] (note EXACT spelling of > |> 'ListGuru') and in > |> the message BODY, include a line containing: UNSUB > |> ORACLE-L > |> (or the name of mailing list you want to be removed > |> from). You may > |> also send the HELP command for other information > |> (like subscribing). > | > |===== > |Connor McDonald > |http://www.oracledba.co.uk (mirrored at > |http://www.oradba.freeserve.co.uk) > | > |"Some days you're the pigeon, some days you're the statue" > | > |__________________________________________________ > |Do You Yahoo!? > |Everything you'll ever need on one web page > |from News and Sport to Email and Music Charts > |http://uk.my.yahoo.com > |-- > |Please see the official ORACLE-L FAQ: http://www.orafaq.com > |-- > |Author: =?iso-8859-1?q?Connor=20McDonald?= > | INET: [EMAIL PROTECTED] > | > |Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > |San Diego, California -- Public Internet access / Mailing > Lists > |-------------------------------------------------------------------- > |To REMOVE yourself from this mailing list, send an E-Mail message > |to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > |the message BODY, include a line containing: UNSUB ORACLE-L > |(or the name of mailing list you want to be removed from). You may > |also send the HELP command for other information (like subscribing). > |-- > |Please see the official ORACLE-L FAQ: http://www.orafaq.com > |-- > |Author: Freeman, Robert > | INET: [EMAIL PROTECTED] > | > |Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > |San Diego, California -- Public Internet access / Mailing > Lists > |-------------------------------------------------------------------- > |To REMOVE yourself from this mailing list, send an E-Mail message > |to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > |the message BODY, include a line containing: UNSUB ORACLE-L > |(or the name of mailing list you want to be removed from). You may > |also send the HELP command for other information (like subscribing). > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Jonathan Lewis > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing > Lists > -------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). __________________________________________________ Do You Yahoo!? Try FREE Yahoo! Mail - the world's greatest free email! http://mail.yahoo.com/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Brian Wisniewski INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
