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        Help Center/Relational Database Service/FAQs/Database Connection
        Updated on 2025-11-11 GMT+08:00
        View PDF

        Database Connection

        • What Should I Do If I Can't Connect to My RDS DB Instance?
        • Can an External Server Access the RDS Database?
        • What Do I Do If the Number of RDS Database Connections Reaches the Upper Limit?
        • What Is the Maximum Number of Connections to an RDS DB Instance?
        • What Should I Do If an ECS Cannot Connect to an RDS DB Instance Through a Private Network?
        • What Should I Do If a Database Client Problem Causes a Connection Failure?
        • What Should I Do If an RDS Database Problem Causes a Connection Failure?
        • How Do My Applications Access an RDS DB Instance in a VPC?
        • Do Applications Need to Support Reconnecting to the RDS DB Instance Automatically?
        • Why Cannot I Ping My EIP After It Is Bound to a DB Instance?
        • How Can I Obtain the IP Address of an Application?
        • What Should I Do If an RDS for SQL Server DB Instance Failed to Be Connected?
        • Is an SSL Connection to a DB Instance Interrupted After a Primary/Standby Switchover or Failover?
        • Will My Access Be Restricted by Bandwidth When I Connect to My Instance from an ECS over a Private Network?

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