From wisernet100@yahoo.com Wed, 18 Jun 2003 11:42:45 -0700 From: Rachel Carmichael Date: Wed, 18 Jun 2003 11:42:45 -0700 Subject: Re: Partitions of table read only Message-ID: MIME-Version: 1.0 Content-Type: text/plain all other active transactions in the database? or against that table? if in the database, it will have to wait, this is a testing database and work is going on in it. if against that table, no one else knows anything about that table. As far as any other user in the database knows, it doesn't exist. Nor does the tablespace --- Kirtikumar Deshpande <[EMAIL PROTECTED]> wrote: > Rachel, > > You forgot to kill all other active transactions... ;( > > > - Kirti > > > --- Rachel Carmichael <[EMAIL PROTECTED]> wrote: > > okay, am I missing something? > > > > I created an LMT. Created a table in it. Gave no one quota on the > > tablespace. > > > > did (both as system and sysdba) > > > > alter tablespace test_drop read only; > > > > > > and hung > > > > > > what did I forget to do? > > > > > > > > --- Rachel Carmichael <[EMAIL PROTECTED]> wrote: > > > that actually makes sense when you think about it, with one > question > > > -- > > > was the tablespace a dictionary-managed one or an LMT? > > > > > > If it was dictionary-managed, it makes perfect sense. The > metadata > > > about the table and the extents used in the tablespace are not > stored > > > IN that tablespace, so drop table would affect only the system > > > tablespace and the data dictionary. > > > > > > But in an LMT, the bitmap of extent usage is stored within the > > > tablespace itself, so I wonder if you could actually drop a table > > > from > > > a read-only lmt. > > > > > > Off to experiment...... > > > > > > Rachel > > > > > > --- Darrell Landrum <[EMAIL PROTECTED]> wrote: > > > > I haven't tested this but would imagine it entirely possible. > > > > What I wanted to throw out though, is somewhat of a related > > > caution. > > > > You can drop a table from a read only tablespace. I discovered > > > this > > > > in > > > > test, fortunately when I was finished testing with that table > and > > > > intentionally dropped it while the tablespace was in read only > > > mode. > > > > > > > > >>> [EMAIL PROTECTED] 06/18/03 09:49AM >>> > > > > Hi, > > > > > > > > I would like to know if it is possible and what the pitfalls > are if > > > > > > > I > > > > do > > > > the following. > > > > > > > > Partition a large table into partitions based on date. > > > > Data is only entered and read and never altered, so I would > like to > > > > move > > > > older partitions to read only tablespaces and possible read > only > > > > devices so > > > > the backup will be made quicker. > > > > > > > > Is it possible to have parttions of the same table spread > across > > > read > > > > only > > > > and read/write tablespaces? > > > > Am I correct in assuming that once you backup a read only > > > tablespace > > > > there > > > > is no need to backup the same again. (provided you don't make > it > > > > read/write > > > > add data and make it read only again).? > > > > Does anybody have a procedure already that automatically > creates > > > the > > > > new > > > > partitions let say every month? > > > > > > > > > > > > TIA > > > > > > > > Jacob A. van Zanen > > > > Oracle DBA > > > > Quant Systems Europe b.v. > > > > Tel : +31 (0) 251 - 268 268 > > > > Mobile: +31 (0) 6 51308813 > > > > Fax: +31 (0) 251 - 268 269 > > > > E-mail: [EMAIL PROTECTED] > > > > Visit our web site at http://www.quantsystems.nl/ > > > > > > > > > > > > > > > > -- > > > > Please see the official ORACLE-L FAQ: http://www.orafaq.net > > > > -- > > > > Author: Darrell Landrum > > > > INET: [EMAIL PROTECTED] > > > > > > > > > __________________________________ > Do you Yahoo!? > SBC Yahoo! DSL - Now only $29.95 per month! > http://sbc.yahoo.com __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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).