Holy cow. That is outrageous! Gets my vote.
--- Jeremiah Wilton <[EMAIL PROTECTED]> wrote: > Gotta be this one. I wouldn't love it so much except for the part > about the USS Nimitz. > > > When you place a tablespace in backup mode, the Oracle instance > > notes that a backup is being performed and internally compensates > > for it. As you know, it is impossible to make an authentic copy of > a > > database file that is being written to. On receipt of the command > to > > begin the backup, however, Oracle ceases to make direct changes to > > the database file. It uses a complex combination of rollback > > segments, buffers, redo logs, and archive logs to store the data > > until the end backup command is received and the database files are > > brought back in sync. > > > > Simplifying a hot backup in this way is tantamount to classifying > > the USS Nimitz as a boat. The complexity of the actions taken by > the > > Oracle RDBMS under a hot backup could consume an entire chapter and > > is beyond the scope of this book. What you should understand is the > > trade-off for taking a hot backup is increased use of rollback > > segments, redo logs, archive logs, and internal buffer areas within > > the SGA. > > -- > Jeremiah Wilton > http://www.speakeasy.net/~jwilton > > On Thu, 14 Mar 2002, Freeman, Robert wrote: > > > Ok... one of my favorite Urban Legends is this one: > > > > The book is always right. In other words, if it's written down > > in a book we bought off of Amazon, it must be so. > > > > So, I'd like to ask, without anyone taking potshots at > > specific authors, what is the dumbest, silliest, or most > > technically incorrect thing you have ever seen in an > > Oracle book? > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Jeremiah Wilton > 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!? Yahoo! Sports - live college hoops coverage http://sports.yahoo.com/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Paul Baumgartel 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).
