This tutorial uses the CreateDBInstance API of ApsaraDB RDS to show you how to use Alibaba Cloud Java SDK to create an ApsaraDB for RDS instance.

ApsaraDB for RDS (Relational Database Service) is a stable and reliable online database service that supports the elastic scaling function. ApsaraDB for RDS is based on the Apsara distributed system and high-performance storage of ephemeral SSD and supports MySQL, SQL Server, and PostgreSQL engines. ApsaraDB for RDS offers a complete set of solutions for backup, recovery, monitoring, migration, disaster recovery, and troubleshooting database operation and maintenance.

Code example

Notice Running the code in this example will create an ApsaraDB RDS instance and generate fees.
import java.util.UUID;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.exceptions.ServerException;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.rds.model.v20140815. CreateDBInstanceRequest;
import com.aliyuncs.rds.model.v20140815. CreateDBInstanceResponse;
public class Demo {
    public static void main(String[] args) {

        //Create the DefaultAcsClient instance and initialize it.
        DefaultProfile profile = DefaultProfile.getProfile(
            "<Your-region-ID>", // your region ID
            "<your-access-key-id>", // your AccessKey ID
            "<your-access-key-secret>"); // your AccessKey Secret
        IAcsClient client = new DefaultAcsClient(profile);
        // Create a request and set parameters

        CreateDBInstanceRequest request = new CreateDBInstanceRequest();
        request.setEngine("MySQL");
        request.setEngineVersion("5.7");
        request.setDBInstanceClass("mysql.n1.micro. 1");
        request.setDBInstanceStorage(20);
        request.setDBInstanceNetType("Intranet");
        request.setSecurityIPList("0.0.0.0/0");
        request.setPayType("Postpaid");
        request.setDBInstanceDescription("MyRds");
        request.setClientToken(UUID.randomUUID().toString());

        // Initiate a request and handle the response or exceptions
        CreateDBInstanceResponse response;
        try {
            response = client.getAcsResponse(request);
            String dbInstanceId = response.getDBInstanceId();
            System.out.println("Create dbInstance success, instanceId = " + dbInstanceId);
        } catch (ServerException e) {
            e.printStackTrace();
        } catch (ClientException e) {
            e.printStackTrace();
        }