Connecting to AWS RDS with in VPC

• We have create a windows vm and installed mysql workbench and tried to connect to the database (rds) which is present in the same vpc (network) and the connection was successful.
  
• Lets try to make mysql connection over ssh using a public ip of the linux machine. This is refereed as tunneling connection.
  
  
  
  

Instance Configuration

• AWS db instances have different sizes and purposes
  • General Purpose
  • Memory Optimized
    
• With db instance type we indirectly selct
  • number of cpus
  • RAM
  • Network speed
    
• For free tier usage we have
  • db.t2.micro => 1 vcpu and 1 GB RAM
  • db.t3.micro => 2 vcpu and 1 GB RAM
• Not all db engines support micro or small instance sizes