How do transactions relate to in-memory databases

Jul 24, 2022 ... MySQL. Postgres. SQL Server. SQLite defaults transactions to ... startTransaction - starts a new transaction inside the query runner instance. Use INNODB_TRX table to identify uncommitted transactions ... To view the transactions that are waiting and the transactions that are blocking them, run one of ... Emits each read event to the Kafka topic for the source table. Releases data table locks, if applicable. 9. Commit the transaction ... ... Transaction.php \Drupal\driver_test\Driver\Database\DrivertestMysql\Transaction ... Transaction.php \Drupal\Core\Database\Driver\mysql\Transaction; 8.9.x core ... The tables in the MySQL database can be read as if they were normal DuckDB tables, but the underlying data is read directly from MySQL at query time. SHOW ALL ... Sep 13, 2024 ... This post will introduce the transaction lock system in InnoDB, specifically how InnoDB handles row-level locking in transactions. 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). Running queries is super simple using the query() method. It supports all query options supported by the mysql module, but returns a promise instead of using ... Mar 7, 2015 ... If I understand correctly, the use of START TRANSACTION and COMMIT as a single unit could be a performance optimization, particularly if invoked ... Apr 23, 2023 ... This post discusses my experience playing with this feature, and my feelings about it. You can find all the source code discussed here at: