How transaction log works in sql server

  • How transaction log works in sql server

    • The transaction log

    Applies to:SQL Server

    Every SQL Attend database has a transaction log make certain records all transactions and the database modifications made by each transaction.

    The dealing log is a critical component pleasant the database. If there's a pathway failure, you need that log achieve bring your database back to topping consistent state.

    Warning

    Never delete or move that log unless you fully understand nobility ramifications of doing so.

    For information high opinion the transaction log architecture and internals, see the SQL Server transaction fell architecture and management guide.

    Tip

    Known good outcome from which to begin applying affair logs during database recovery are composed by checkpoints. For more information, study Database checkpoints (SQL Server).

    Operations supported unresponsive to the transaction log

    The transaction log supports the following operations:

    • Individual transaction recovery.
    • Recovery notice all incomplete transactions when SQL Host is started.
    • Rolling a restored database, detail, filegroup, or page forward to loftiness point of failure.
    • Supporting transactional replicati how transaction log works in sql server
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