IntelliJ idea Manual Configuration connection MySQL Database

step1: First open the Database tool window from the menu View→tool windows→database, as shown in:

Step2: Click the Add button "+" in the upper left corner of the Database tool window to select the DB type, here is the example of MySQL, as shown in: step3: Fill in the host name, database name, user name, and password of the database connection as shown in: step4: Click the Test Connection button to verify that the database connection is normal step5: for a connection to a normal
step6: When the connection database is successful, you can view the data table of the currently connected database in the window shown in the Red box on the right, and the red box on the left is the data of the selected table as shown in:

IntelliJ idea Manual Configuration connection MySQL Database