connection string
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;data source: database, could also be a spreadsheet or text file
en-GB/kəˈnɛkʃn ˈstɹɪŋ/
en-US/kəˈnɛkʃən ˈstɹɪŋ/