Ruby-on-rails Rails - 致命：数据库“myapp_development”不存在
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Rails - FATAL: database "myapp_development" does not exist
提问by Harsha M V
I am trying to set up my Env to use PostgreSQL with Rails and i followed the steps to install PostgreSQL from this Article
我试图建立我的信封使用PostgreSQL使用Rails，我跟着步骤从这个安装PostgreSQL文章
Am getting the following error
我收到以下错误
ATAL: database "myapp_development" does not exist Extracted source (around line #661):
ATAL：数据库“myapp_development”不存在提取的源代码（围绕第 661 行）：
rescue ::PG::Error => error
if error.message.include?("does not exist")
raise ActiveRecord::NoDatabaseError.new(error.message, error)
else
raise
end
回答by scorix
Did you run rake db:createand rake db:migratebefore rails server?
你运行rake db:create和rake db:migrate之前rails server？
UPDATE
更新
Here's all the steps you should do:
以下是您应该执行的所有步骤：
cd /your/app/pathbundle installbundle exec rake db:createbundle exec rake db:migratebundle exec rails server
cd /your/app/pathbundle installbundle exec rake db:createbundle exec rake db:migratebundle exec rails server
回答by Arunabh Das
Run
跑
rails db:create
before running
跑步前
rails db:migrate
回答by Kkulikovskis
You can also create PostgreSQL database manually by using psql command prompt.
您还可以使用 psql 命令提示符手动创建 PostgreSQL 数据库。
When in there, connect to your local server and write "create database myapp_development;" without the quotes
在那里，连接到您的本地服务器并编写“创建数据库 myapp_development;” 没有引号
回答by djadam
I was having a similar problem. I checked different websites and tried what they suggested but didn't work. Then I tried rake db:create:alland rake db:migrateit worked for me. Thank you!
我遇到了类似的问题。我检查了不同的网站并尝试了他们的建议，但没有奏效。然后我尝试 rake db:create:all耙db:migrate它对我有用。谢谢！
回答by Salma Gomaa
You can fix it by:
bundle exec rake db:setup
您可以通过以下方式修复它：
bundle exec rake db:setup
