# Oracle and MySQL configuration
<a name="chap-oracle-aurora-mysql.configuration"></a>

This section provides pages about Oracle and MySQL configuration topics.

**Topics**
+ [Oracle and Aurora MySQL upgrades](chap-oracle-aurora-mysql.configuration.upgrades.md)
+ [Oracle alert log and MySQL error log](chap-oracle-aurora-mysql.configuration.logs.md)
+ [Oracle SGA and PGA memory sizing and MySQL memory buffers](chap-oracle-aurora-mysql.configuration.memory.md)
+ [Oracle instance parameters and Aurora MySQL parameter groups](chap-oracle-aurora-mysql.configuration.parameters.md)
+ [Oracle session parameters and MySQL session variables](chap-oracle-aurora-mysql.configuration.sessions.md)