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Re: Fw: Just got back from SQL*Server 2000 training...

From: oracle dba <oracle12i_at_hotmail.com>
Date: Tue, 19 Feb 2002 09:44:56 -0800
Message-ID: <F001.0041330F.20020219094456@fatcity.com>


Well there is no arguement there if he is willing to live with all MS limitations by saying "I don't expect to do this..." "I can live with this..." blah blah...

Rich

>From: G.Plivna_at_itsystems.lv
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: Fw: Just got back from SQL*Server 2000 training...
>Date: Tue, 19 Feb 2002 08:08:21 -0800
>
>I sent this e-mail to a friend who works with SqlServer and he sent this to
>a SqlServer list as You can see from headers
>
>Here are comments of a member :-))))))))
>
>Gints Plivna
>IT Sistēmas, Merķeļa 13, LV1050 Rīga
>http://www.itsystems.lv/gints/
>
>
>
>----- Original Message -----
>To: "SQL 7 Discussions" <sql7_at_ls.swynk.com>
>Sent: Tuesday, February 19, 2002 5:29 PM
>
>
>My two cent's prefaced by >>>>>>. I'm not an Oracle expert, and my answers
>reflect my limited (5 years) experience as a DBA...
>
>
>*Row size cannot span multiple 8k pages, therefore max row size = 8k
> >>>>>> I've yet to see a properly designed database that needs more
> >>>>>> than this. Unless he/she doesn't understand that text/image
> >>>>>> data is stored separately
>
>*Cannot take DB out of "archivelog" mode. Can limit what is posted to txn
>log, but cannot stop it.
> >>>>>> Why would you want to? So you have the remote possibility
> >>>>>> of ending up with a corrupt, unrecoverable database if the
> >>>>>> power supply on the system fails?
>
>*Txn logs not mirrored. Must rely on RAID or other mirroring software.
> >>>>>> Hardware RAID/mirrors are much better than software, so if
> >>>>>> you are comparing Oracle software based mirrors to the
> >>>>>> hardware based ones we use then our way is much faster
>
>*Separate permissions for RI checking. Requires two permission grants if
>foreign key exists - one for child table and one for parent table. Called
>REFERENCES permission.
> >>>>>> No comment. Not sure what he's after here.
>
>*Recommended that ALL production objects owned by DBO - not conducive to
>multi-schema instances.
> >>>>>> This is just a best-practices item. It works both ways. I
> >>>>>> personnally find it easier to use Oracle when everything is
> >>>>>> owned by one user.
>
>*Activities that are restricted during backups:
>1. Creating or modifying databases.
>2. Performing autogrow operations.
>3. Creating indexes.
>4. Performing nonlogged operations.
>5. Shrinking a database.
> >>>>>> I've not found this to be a limitation. How often do you actually
> >>>>>> do these tasks on a production database, anyways?
>
>Backups directly to tape require the tape to be attached locally to SQL
>Server.
> >>>>>> Okay, if you really want to transfer your 10+GB database over
> >>>>>> the network each night, I suppose you will need to use Oracle.
>
>*When txn log fills up, have to just "truncate" the log in order for
>processing to continue. Leaves system vulnerable until you get a full DB
>backup.
> >>>>>> Seems a little like disk space filling up in Oracle. How is this
> >>>>>> different?
>
>*If you have a 100GB DB that is full, your backup will be 100GB. No
>compression of backups!
> >>>>>> Valid point here. But I'd rather not trust my backup to a
> >>>>>> compression scheme anyways.
>
>
>
>
>
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author:
> INET: G.Plivna_at_itsystems.lv
>
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Author: oracle dba
  INET: oracle12i_at_hotmail.com

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Received on Tue Feb 19 2002 - 11:44:56 CST

Original text of this message

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