What is Consistency in MySQL transactions

... mysql\Driver\Database\mysql\Connection::popCommittableTransactions(); 9 core ... // Therefore, clean the transaction stack. $this->transactionLayers ... This book explains the major role that locks play in database systems, showing how locks are essential in allowing high-concurrency workloads. It's impossible to use atomic() when autocommit is turned off. Transactions in MySQL¶. If you're using MySQL, your tables may or may not support transactions; ... DELETE FROM users WHERE users.location_id = location_id AND DATE(users.created_at) <= till_date; SET track_no = 2; SET FOREIGN_KEY_CHECKS = 1; SET track_no = Nov 28, 2020 ... When you start a transaction, and then need to rollback and have not yet committed, you can restore the table to its exact previous state, right when the ... ... Transaction.php \Drupal\driver_test\Driver\Database\DrivertestMysql\Transaction ... Transaction.php \Drupal\Core\Database\Driver\mysql\Transaction; 8.9.x core ... Jun 15, 2023 ... MySQL transactions provide an effective method for executing multiple statements as a single unit, making it possible to safely modify data. May 28, 2022 ... It seems that the transaction locks the tables, and although the process above takes only about 3-6 seconds, it causes about once a day Lock wait timeout ... As per the MySQL documentation, this error should occur for “operations that make a temporary copy of the original table and delete the original table when the ... Apr 17, 2019 ... Or if the process that is running the transaction and the process that is signalling that process are running on the same host you can also look ...