In order to open a MySQL shell without the need to enter user and password, you can say the following in any Rails 2 project:

script/dbconsole -p

Do you need DevOps-experts?

Your development team has a full backlog? No time for infrastructure architecture? Our DevOps team is ready to support you!

• We build reliable cloud solutions with Infrastructure as code
• We are experts in security, Linux and databases
• We support your dev team to perform

Read more Show archive.org snapshot

In Rails 3 you can say:

rails dbconsole -p

If you'd like to enter a database for an environment other than development you can say:

script/dbconsole -p staging