oracle11g How to use SQL developer to connect to the database?

Recently in the study of the relevant content of the database, after Sqlplus knocked a few days command line window, want to try to connect with SQL Developer database but has not been implemented. After searching the relevant information on the net now finally fix, write down this blog to share with you!

1. Configure the Java.exe path after you open SQL developer. This is the ecilipse that should be familiar. I will not dwell on it here. If you do not remember the installation path of your Java environment you can download everything, a very useful file search software under window.

2. After opening, we can see the interface.

3. New connection, the connection name can be set by itself, the user name is the database you want to log in the user, because still in the learning phase, I am logged on is Scott, The password is what you set. After the role you can choose the ordinary users can also be Super Admin users depending on your purpose. Connection options TNS. Network alias Selection ORCL. There is also our Oracle service oracleserviceorcl:oracle background Process Group service, Oracleoradb10g_home1tnslistener: The listener server must be open in advance. No will show

　　　　　

The Network Adapter could not establish the test failure prompt for the connection. (By the To: Remember to change Oracle's related services to manual start-up, otherwise the computer is really a card.)

　　　　　

4. We have successfully connected to the database service without an accident. This is the graphical display interface that we had before sqlplus.

oracle11g How to use SQL developer to connect to the database?