Difference between DSN and connection string

How different between DSN and connection string? It's not clear.

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asked Thang Tran Minh

1 answer


A DSN (Data Source Name) is an identifier which defines a data source for an ODBC driver.

A DSN consists of information such as:

  • Database name
  • Directory
  • Database driver
  • User ID
  • Password

Connection String

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

DSN use in a connection string



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are you sure?
answered Jack Brown

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