What is a connection string used for?

Question

Applications use connection strings to identify the server instance and database to connect to and to determine what driver, login, etc. to use to connect to the SQL Server instance. Typically, the connection string will be stored in a configuration file somewhere within the application or web server.

What is the purpose of connection string?

In computing, a connection string is a string that specifies information about a data source and the means of connecting to it. It is passed in code to an underlying driver or provider in order to initiate the connection.

Where do I put connection string?

Connection strings can be stored as key/value pairs in the connectionStrings section of the configuration element of an application configuration file. Child elements include add, clear, and remove.

What information is contained in a connection string?

A connection string contains initialization information that is passed as a parameter from a data provider to a data source. The data provider receives the connection string as the value of the DbConnection.

What is a connection string in database?

The connection string is an expression that contains the parameters required for the applications to connect a database server. In terms of SQL Server, connection strings include the server instance, database name, authentication details, and some other settings to communicate with the database server.

Expert · Answer