How do transactions interact with indexing strategies in MySQL

Mar 1, 2011 ... With the default setting of innodb_lock_wait_timeout = 50 , this transaction completes without errors after 55 seconds. And if you add an UPDATE ... Sep 27, 2009 ... I have a couple of tables in MySQL. The id in table 1 (parent) is an auto_increment value and this is a foreign key in table 2 (child). Nov 11, 2020 ... The best we can do is make it clear in docs and in code / run-time behavior that transactions for migrations do not work in MySQL/MariaDB. Jun 20, 2012 ... A large log buffer enables large transactions to run without a need to write the log to disk before the transactions commit. LOCK TABLES/UNLOCK TABLES Syntax ... LOCK TABLES locks tables for the current thread. UNLOCK TABLES releases any locks held by the current thread. All tables that ... Backup and transaction log retention values can be changed from the default setting. Learn more. Final backups. Final backups allow you to take a backup of your ... MySQL Transactions and Data Integrity · Start a Transaction with BEGIN. In this step, you will learn how to start a transaction in MySQL using the BEGIN ... Transactional Statements in MySQL. In MySQL, the transactions begin with either START TRANSACTION, BEGIN or BEGIN WORK statements, and end with either a COMMIT ... Apr 25, 2023 ... A transaction is a set of operations executed as a single unit of work. Transactions ensure data consistency and integrity by providing a way to rollback ... May 11, 2023 ... Transactions in MySQL are a group of logically related statements which will either be executed completely or no statement execution will occur.