In the database programming, we often use the connection string. There are different connection strings for different databases, and the memory usage is very inconvenient, so introduce you two tips, I hope everyone likes! ^ _ ^
method one:
Create a new text file, change the suffix name to * .UDL Double-click to open the operation inside to complete the prompt and then test the connection. After success, turn it off with Notepad, huh, huh, there is a connection string in it.
Method Two:
http://www.connectionstrings.com/
