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  2. Redo log - Wikipedia

    en.wikipedia.org/wiki/Redo_log

    In the Oracle RDBMS environment, redo logs comprise files in a proprietary format which log a history of all changes made to the database. Each redo log file consists of redo records. A redo record, also called a redo entry, holds a group of change vectors, each of which describes or represents a change made to a single block in the database.

  3. Algorithms for Recovery and Isolation Exploiting Semantics

    en.wikipedia.org/wiki/Algorithms_for_Recovery...

    We create log records of the form (Sequence Number, Transaction ID, Page ID, Redo, Undo, Previous Sequence Number). The Redo and Undo fields keep information about the changes this log record saves and how to undo them. The Previous Sequence Number is a reference to the previous log record that was created for this transaction.

  4. Transaction log - Wikipedia

    en.wikipedia.org/wiki/Transaction_log

    Physically, a log is a file listing changes to the database, stored in a stable storage format. If, after a start, the database is found in an inconsistent state or not been shut down properly, the database management system reviews the database logs for uncommitted transactions and rolls back the changes made by these transactions ...

  5. Rihanna and A$AP Rocky paint New York City red for ... - AOL

    www.aol.com/rihanna-ap-rocky-paint-york...

    Based on posts by Cook and Hitkidd, the decor included cardboard cutouts of RZA’s face, oversized plush number 2s and massive balloon arches. Recommended Stories Rihanna and Katy Perry didn’t ...

  6. New Orleans attacker discussed plans to kill his family and ...

    www.aol.com/army-vet-worked-real-estate...

    In a series of videos, the man responsible for the deadly New Year’s attack in New Orleans discussed planning to kill his family and having dreams that helped inspire him to join ISIS, according ...

  7. Pop Ree's Cheese Straws in the Oven to Welcome Holiday Guests

    www.aol.com/pop-rees-cheese-straws-oven...

    Yields: 24 servings. Prep Time: 20 mins. Total Time: 1 hour 5 mins. Ingredients. 8 oz. extra-sharp white cheddar, finely shredded (about 2 cups) 1/2 c. grated parmesan cheese (about 2 oz.)

  8. Datalog - Wikipedia

    en.wikipedia.org/wiki/Datalog

    FoundationDB provides a free-of-charge database binding for pyDatalog, with a tutorial on its use. [37] Leapsight Semantic Dataspace (LSD) is a distributed deductive database that offers high availability, fault tolerance, operational simplicity, and scalability. LSD uses Leaplog (a Datalog implementation) for querying and reasoning and was ...

  9. Comparison of database administration tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_database...

    Some - can only reverse engineer the entire database at once and drops any user modifications to the diagram (can't "refresh" the diagram to match the database) Forward engineering - the ability to update the database schema with changes made to its entities and relationships via the ER diagram visual designer Yes - can update user-selected ...

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