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sai-oracle.blogspot.com | ||
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pgdba.org
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| | | | | [AI summary] This technical article explains the Multi-Version Concurrency Control (MVCC) and transaction isolation levels in PostgreSQL, including how XIDs work and common concurrency issues. | |
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hoopercharles.wordpress.com
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| | | | | May 9, 2010 (Back to the Previous Post in the Series)(Forward to theNext Post in the Series) Continuing the true or false blog article series with more questions that seem to have conflicting answers,if the answers to those questions depend on the source of the informationfound through Internet searches. Today's quiz is on the topic... | |
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jonathanlewis.wordpress.com
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| | | | | A recent thread on the OTN database forum asks the question: "... since redo also has past and current information why can't redo logs be used to retrieve that information? Why is undo required when redo already has all that information." The thread has generated some interesting replies - but to a large extent they... | |
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jepsen.io
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| | | [AI summary] The article explains the concept of linearizability as a strong single-object consistency model in distributed systems, detailing its real-time ordering requirements and trade-offs regarding availability. | ||
