DISTRIBUTED TRANSACTION MANAGEMENT WITH TOKENS
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Nov 30, 2023
filing date -
Oct 5, 2010
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Abstract
A system, method and computer product for managing distributed transactions of a database. A transaction manager is provided for each of a plurality of transactions of the database. Each transaction manager is configured to perform functions that include generating a transaction token that specifies data to be visible for a transaction on the database. The database contains both row and column storage engines, and the transaction token includes a transaction identifier (TID) for identifying committed transactions and uncommitted transactions. A last computed transaction is designated with a computed identifier (CID), record-level locking of records of the database is performed using the TID and CID to execute the transaction, and the plurality of transactions of the database are executed with each transaction manager.
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