# Amazon MySQL components

| [tAmazonMysqlClose](https://help.qlik.com/talend/en-US/components/8.0/amazon-mysql/tamazonmysqlclose) | Closes the transaction committed in the connected DB. |
| --- | --- |
| [tAmazonMysqlCommit](https://help.qlik.com/talend/en-US/components/8.0/amazon-mysql/tamazonmysqlcommit) | Commits in one go a global transaction instead of doing that on every row or<br>every batch, and provides gain in performance, using a unique connection. |
| [tAmazonMysqlConnection](https://help.qlik.com/talend/en-US/components/8.0/amazon-mysql/tamazonmysqlconnection) | Opens a connection to the specified database that can then be reused in the subsequent subJob or subJobs. |
| [tAmazonMysqlInput](https://help.qlik.com/talend/en-US/components/8.0/amazon-mysql/tamazonmysqlinput) | Reads a database and extracts fields based on a query. |
| [tAmazonMysqlOutput](https://help.qlik.com/talend/en-US/components/8.0/amazon-mysql/tamazonmysqloutput) | Writes, updates, makes changes or suppresses entries in a database. |
| [tAmazonMysqlRollback](https://help.qlik.com/talend/en-US/components/8.0/amazon-mysql/tamazonmysqlrollback) | Cancels the transaction commit in the connected database and avoids to commit part<br>of a transaction involuntarily. |
| [tAmazonMysqlRow](https://help.qlik.com/talend/en-US/components/8.0/amazon-mysql/tamazonmysqlrow) | Executes the SQL query stated onto the specified database. |