Shulou(Shulou.com)06/03 Report--

RDS is the abbreviation of Relational Database Service (Relational Database Service). It is a ready-to-use, stable, reliable, flexible and scalable online database service. Ali Cloud rds server refers to the rds database server, that is, Ali Cloud relational database, so what is Ali Cloud rds server? Let me tell you something about it.

Based on Aliyun distributed file system and SSD disk storage, RDS supports MySQL, SQL Server, PostgreSQL, PPAS (Postgre Plus Advanced Server, highly compatible with Oracle database) and MariaDB TX engine, and provides a full range of solutions for disaster recovery, backup, recovery, monitoring, migration and so on.

If you want the CVM ECS to connect to the RDS database, you must add the IP of the ECS CVM to the whitelist of the RDS database, which is a necessary condition.

Using RDS requires additional purchase separately

1. Select in the RDS area of Aliyun website. There are three reference data: memory, storage space and the maximum number of connections. You can take a look at the general requirements of your website before you buy it. If it is a new station, you can buy the smallest model first. if it is not enough, you can upgrade at any time in the future.

2. Purchase a package that suits you. After the payment is activated, log in to the Aliyun console and you can see your RDS instance.

However, RDS is not 100% compatible with mysql and mssql, especially advanced features such as stored procedures and views, and there may be some compatibility issues when using RDS.

RDS has high requirements for the standardization of sql statements, so try to standardize your statements when using them, so as not to bring unnecessary trouble.

In addition, although RDS can be connected through private and public networks, it is charged for public network traffic. For delay, it is recommended to use it with CVM. If you are not in the same data center, don't consider using it. Connection delay.

The above is an introduction to "what is Aliyun rds server". It is an early high-quality cloud service provider providing IaasS and PaaS services in China. Its cloud server can be mounted to cloud disk to store big data. Writing three copies of cloud disk data in real time can ensure rapid recovery in the event of any copy failure, effectively avoid physical security threats, support flexible expansion at any time, and are affordable.

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