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Data Guard Architecture
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Apr 1 2008, 9:13 AM EDT
dariusz@polanski.biz
On Maximum Availability mode primary database do not wait for commits on standby.
edit
22 words deleted
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Primary database changes are not committed until it has been confirmed that the data is available on at least one standby database.
The standby database may temporarily lag behind, or diverge, from the primary database without
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(Word count: 607)
Nov 26 2007, 11:12 PM EST
jonah.harris
Moved from: The Official Oracle Wiki
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jonah.harris
Nov 26 2007, 11:12 PM EST
Nov 25 2007, 7:43 PM EST
girlgeek
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3 words deleted
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Oracle data guard
Primary and standby databases (database roles) In a standby environment, one database is a primary database while all others are standby databases. Standby databases are either physical or logical standby databases. Query the database_role column in v$database in order to find out the role of a database
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(Word count: 629)
Nov 25 2007, 7:42 PM EST
girlgeek
more appropriate to the content
rename
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Renamed from Data Guard Usage by
girlgeek
Nov 25 2007, 7:42 PM EST for: more appropriate to the content
Nov 25 2007, 7:31 PM EST
girlgeek
added image
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3 words added
6 words deleted
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database
.
database.
All the other databases are standby databases. Logical standby database The logical standby database is new with Oracle 9iR2. The key advantage for logical standby databases is that they're opened read/write, even while they're in applied mode. That
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Nov 25 2007, 7:28 PM EST
girlgeek
Initial entry - improvements welcomed
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624 words added
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Maximum availability provides the second highest level of data availability. As with its maximum reliability counterpart, redo data is synchronously transmitted from the primary database
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Nov 25 2007, 10:17 AM EST
girlgeek
create
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Created by
girlgeek
Nov 25 2007, 10:17 AM EST for: no reason given
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