How to use UDL File for check the database connectivity

What is UDL file

UDF file is a simple test file which we use for check database connectivity.

Create UDL File

Here are some steps to create a UDF file.

1. First, create a test with (.txt) extension.
2. Then open your file explorer click on view tab and checkmark the “File Name Extensions” option.
3. Now right-click on your test file and click on rename and replace the (.txt) extension with (.udl).
4. Now udl file has successfully created.

How to use UDL File

First, open your udl file and then fill your database details on the file and click on test connection. If connection is successful then your database connection is stable.