Do you know how to make connection strings among different environment?

Different data sources provide different connection strings, for example, the connection string for Oracle is totally different from SQL Server's, even the same product but different versions have special requirement, so how do we make it easy?

The answer is the very useful website called connectionstrings.com, which provides abundant connection strings ranging from different database products to excel files, actually, you can find most of the connection strings of popular products with detail usage.