How to make database connection in DBeaver database tool
First, Open the DBeaver tool by double click on it. Go to the Database tab.

Select New connection from the Database tab.

A new window will be open and has database list. Please choose the database which you want to connect. I choose Oracle as an example.

It will ask for put the connection setting like host name , port , database name, username , password etc. Please fill detail and Click on TEST Connection.

Note: Sometimes it asks for download the required drivers, so please download it.
Example: i put my server details as follows:

Click on Test Connection: It will show my connection is established with database.

Click on Finish Button, it will make a connection on left panel window as shown or you can used it:
