MySQL is one of the most popular relational databases in use today. Whether creating a new MySQL database on AWS or migrating a current environment to the cloud, deciding between a fully managed or a self-managed AWS database might not be an easy decision to make. Being a fully managed service, Amazon RDS makes database maintenance easier, streamlining day-to-day operations and simplifying tasks such as configuration, backup, and upgrading. This level of support makes it ideal for most MySQL database migrations and AWS continues to extend their support to additional versions as they mature their service to serve more and more MySQL database migration use cases. As Amazon is responsible for infrastructure, backups, and updates on the Amazon RDS DB instance, the shell access to the underlying operating system is disabled. There are a few restrictions to MySQL use.
Introduction to Oracle Database Memory Structures
It is typically not something you can accurately estimate at database creation time unless you are creating a new database instance that will do exactly what some existing instance is already doing. The shared pool will have all of the cached objects sql plans, plsql, dictionary data and so on. It should stop growing if it does not that indicates you are not using bind variables and you need to correct that. So, sizing the shared pool is somewhat empirical. Rating 82 ratings Is this answer out of date? You can also catch regular content via Connor's blog and Chris's blog. Or if video is more your thing, check out Connor's latest video and Chris's latest video from their Youtube channels. And of course, keep up to date with AskTOM via the official twitter account. Question and Answer.
Amazon RDS vs. EC2-Hosted MySQL
This question is You Asked Hi Tom, How can we know that our database is running on shared mode or dedicated mode. Can we configure the database so that we can change the mode according to our need. Thanks, Snehasish Das. It is not really even a "mode", it is a method of connecting. So, you always have dedicated server connections you need them to start up and shut down and perform other administrative operations. Dedicated server is NOT optional, it is a fact. Shared server is configured via network settings and init. You can also catch regular content via Connor's blog and Chris's blog. Or if video is more your thing, check out Connor's latest video and Chris's latest video from their Youtube channels.
By making a single-instance Oracle Database highly available, you ensure that even when a cluster node is shut down or fails, applications that access that database suffers only a momentary loss of connection with the database while the database is restarted on another cluster node. Applications can automatically reconnect to the database after such a failover event occurs using transparent application failover, resulting in a failover that is not apparent to users. Standalone single-instance databases created with the Create Sample Database command sample databases and standalone single-instance databases created using other methods are discovered in different ways, as follows:. Sample standalone single-instance databases are discovered by looking in the Windows registry under the key:. Other standalone single-instance databases those not created with Create Sample Database command are discovered by parsing the tnsnames. Standalone single-instance databases are discovered when the following conditions are true:.