Discovery during the parse...?
>>> [EMAIL PROTECTED] 06/18/03 09:39PM >>>
Food for thought...
How does Oracle know that an existing transaction (which may be more
than the current statement) will not alter data in the RO Tablespace
until the transaction is completed (rollback/commit)?
--
Daniel W. Fink
http://www.optimaldba.com
Rachel Carmichael wrote:
>The admin guide doesn't say "no transactions in the database". In
fact,
>it specifically says in the tablespace:
>
>" You do not have to wait for transactions to complete before issuing
>the ALTER TABLESPACE...READ ONLY statement. When the statement is
>issued, the target tablespace goes into a transitional read-only mode
>in which no further DML statements are allowed, though existing
>transactions that modified the tablespace will be allowed to commit
or
>rollback. Once this occurs, the tablespace is quiesced, with respect
to
>active transactions."
>
>There were other transactions in the database, but none affecting
that
>tablespace.
>
>The concepts guide is somewhat ambiguous and could be read either as
>"in the database" or "against the tablespace" since it isn't
specified.
>
>
>Have I mentioned lately that I hate the docs? :)
>
>
>
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--
Author: Daniel W. Fink
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--
Author: Darrell Landrum
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Received on Wed Jun 18 2003 - 22:17:08 CDT
