Up until now I have only used database.yml with each parameter called out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&, *, <<) mean? How do I read this file? development: &default adapter: postgresql database: dev_development test: &test <<: *default database: test_test cucumber: <<: … Read more
I was working on my Spring boot app project and noticed that, sometimes there is a connection time out error to my Database on another server(SQL Server). This happens specially when I try to do some script migration with FlyWay but it works after several tries. Then I noticed that I didn’t specify spring.jpa.hibernate.ddl-auto in … Read more
I was using an .mdf for connecting to a database and entityClient. Now I want to change the connection string so that there will be no .mdf file. Is the following connectionString correct? <connectionStrings> <!–<add name=”conString” connectionString=”metadata=res://*/conString.csdl|res://*/conString.ssdl|res://*/conString.msl;provider=System.Data.SqlClient;provider connection string="Data Source=.\SQL2008;AttachDbFilename=|DataDirectory|\NData.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True;MultipleActiveResultSets=True"” providerName=”System.Data.EntityClient” />–> <add name=”conString” connectionString=”metadata=res://*/conString.csdl|res://*/conString.ssdl|res://*/conString.msl;provider=System.Data.SqlClient;provider connection string="Data Source=.\SQL2008;Initial Catalog=NData;Integrated Security=True;Connect Timeout=30;User Instance=True;MultipleActiveResultSets=True"” … Read more
Is there a command in PostgreSQL to select active connections to a given database? psql states that I can’t drop one of my databases because there are active connections to it, so I would like to see what the connections are (and from which machines) 4 Answers 4
Can anybody give me some sample source code showing how to connect to a SQL Server 2005 database from JavaScript locally? I am learning web programming on my desktop. Or do I need to use any other scripting language? Suggest some alternatives if you have them, but I am now trying to do it with … Read more
Every time I run my rails 4.0 server, I get this output. Started GET “https://stackoverflow.com/” for 127.0.0.1 at 2013-11-06 23:56:36 -0500 PG::ConnectionBad – could not connect to server: Connection refused Is the server running on host “localhost” (::1) and accepting TCP/IP connections on port 5432? could not connect to server: Connection refused Is the server … Read more
I’m using the node-mongodb-native driver with MongoDB to write a website. I have some questions about how to manage connections: Is it enough using only one MongoDB connection for all requests? Are there any performance issues? If not, can I setup a global connection to use in the whole application? If not, is it good … Read more
With the two classes below, I’ve tried connect to a MySQL database. However, I always get this error: Wed Dec 09 22:46:52 CET 2015 WARN: Establishing SSL connection without server’s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn’t set. … Read more
I get the following error when trying to connect to SQL Server: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, … Read more
What is the format for the PostgreSQL connection string (URL postgres://…) when the host is not the localhost? 6 Answers 6
