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  • mysql - Mysqldump --single-transaction option - Stack Overflow
    The --single-transaction flag will start a transaction before running Rather than lock the entire database, this will let mysqldump read the database in the current state at the time of the transaction, making for a consistent data dump
  • java - --single-transaction --lock-tables options of mysqldump . . .
    Does single transaction apply only for the 3 tables which are inter-related using FK? or can I expect the state of the 7 independent tables to be exactly how it was when the 3 inter-dependent tables were dumped
  • mysql - MySQL5. 6で、全DBをバックアップする際、「--single . . .
    環境 ・MySQL5 6 ・ストレージエンジンは「InnoDB」がメインですが、「MyISAM」も結構あります。混在したりしています やりたいこと ・全DBを定期的に全自動でバックアップしたい ※cron処理予定 Q1 ・「--single-transaction」「--lock-all-tables」オプションを併用したら、エラーになりました
  • Use of mysqldump option --single-transaction - Stack Overflow
    The --single-transaction option and the --lock-tables option are mutually exclusive because LOCK TABLES causes any pending transactions to be committed implicitly To dump large tables, combine the --single-transaction option with the --quick option
  • Impacts of mysqldump with single-transaction argument
    Simply put, MySQL dump with --single-transaction avoids using table locks by starting a transaction with the isolation level set to REPEATABLE READ This read is a type of consistent read (i e other reads during the same transaction will see the original rows, even if others have changed them)
  • How to obtain a correct dump using mysqldump and single . . .
    mysqldump --single-transaction --flush-logs --master-data=2 --all-databases > backup_sunday_1_PM sql but if you read the documentation carefully you find that : While a --single-transaction dump is in process, to ensure a valid dump file (correct table contents and binary log position), no other connection should use the following statements: ALTER TABLE, DROP TABLE, RENAME TABLE, TRUNCATE
  • What does a transaction around a single statement do?
    For me, wrapping a single statement in a transaction means that I have the ability to roll it back if I, say, forget a WHERE clause when executing a manual, one-time UPDATE statement It has saved me a few times e g
  • mysql - Why is a mysqldump with single-transaction more . . .
    As far as I can figure, when you run it within a single transaction, it is preventing any changes that occur during the dump from causing a problem Essentially, when you issue the --single-transaction, it is taking a snapshot of the
  • 【已解决】mysqldump 的这2个参数 --single-transaction . . .
    @g361031315--single-transaction InnoDB 表在备份时，通常启用选项 --single-transaction 来保证备份的一致性，实际上它的工作原理是设定本次会话的隔离级别为：REPEATABLE READ，以确保本次会话(dump)时，不会看到其他会话已经提交了的数据。
  • Does mysqldump -–single-transaction guarantee data integrity?
    When we use –single-transaction (i e , REPEATABLE READ) to dump the database Let's denote the transaction as A In A we first dump table Employee , then some concurrent transaction B insert a new employee into Employee , and B adds related hobby into Hobby and EmployeeHobby (this does not violate REPEATABLE_READ since A never reads Employee afterwards), and then A dump table EmployeeHobby





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