AmazonRDS SQL Server DB Instance Settings Which Can be Modified

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Amazon Relational Database Service (Amazon RDS) is a web service that makes it easier to set up, operate, and scale a relational database in the cloud. It provides cost-efficient, resizeable capacity for an industry-standard relational database and manages common database administration tasks. Although Amazon RDS is great for many applications to store its data, but has many limitations where many features cannot be used due to restricted permissions at file system level and on registry and OS level.

AmazonRDS SQL Server DB Instance has various settings which can be modified to suit our requirements. Below are some of the important setting which can be modified after the AmazonRDS SQL Server DB Instance has been created. It is important to understand that modifying these settings can have adverse effect too, so just be careful and fully understand the change which you are making. You can make all these changes listed below from AmazonRDS web console.

DB Engine Version – Used to choose the version of the SQL Server database engine that we want to use.
Multi-AZ Deployment – Allows us to create a standby mirror of our DB instance in another Availability Zone, click Yes, otherwise, click No.
DB Instance Identifier – We can rename our DB instance by providing a new name. When we change the DB instance identifier, instance reboot will occur immediately if we set Apply Immediately to true, or will occur during the next maintenance window if we set Apply Immediately to false.
New Master Password – We can change the master password. By resetting the master password, we also reset permissions for the DB instance.
Security Group – We can choose the security group we want to associate with the Database Instance.

Certificate Authority – We can choose a certificate we want to use.
Publicly Accessible – Selecting Yes allows the DB instance a public IP address, meaning that it will be accessible outside the VPC (the DB instance also needs to be in a public subnet in the VPC), Id we choose No, the the DB instance will only be accessible from inside the VPC.
Parameter Group – Allows us to choose the parameter group we want to associate with the database instance. Changing this setting does not result in an outage. The parameter group name itself is changed immediately, but the actual parameter changes are not applied until you reboot the instance without failover.
Option Group – We can choose the option group which we want to associate with out database instance.
Database Port – We can specify a particular port to use for our Database instance.
Backup Retention Period – We can adjust or modify the database backup retention period. To disable automatic backups, we can set this value to 0(useful for test environments to reduce cost).
Backup Window – We can choose the backup windows, on when the backup of the database needs to be performed. This time is in Universal Coordinated Time (UTC) and a duration in hours.
Auto Minor Version Upgrade – If you want your DB instance to receive minor engine version upgrades automatically when they become available, click Yes. Upgrades are installed only during your scheduled maintenance window.
Maintenance Window – We can set the time range during which system maintenance, including patchs, upgrades, will occur. This is start time in UTC and a duration in hours.

Hope this was helpful.

This is applicable for below versions of SQL Server

SQL Server 2012
SQL Server 2008 R2

Thanks,
SQLServerF1 Team
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