SQL & PL/SQL

I have tried the latest version of Oracle SQL Developer 1.0 and would like to share my experience of using it.
Installation of Oracle SQL Developer 1.0
Download from
http://www.oracle.com/technology/software/products/sql/index.html?_template
Unzip the Oracle SQL Developer for Windows (55.8 MB) to C:\sqldeveloper (103MB)
Advantages: The unzip folder can be your removable disk and you can access Oracle
anywhere provided that there is an Internet connection to Oracle Server.

Unzip sqldeveloper-1557.zip to C:\ with folder name;
double-click on sqldeveloper.exe in c:\sqldeveloper
Click on [No]
Tick all check boxes
Click on [OK]
Right-click on Connections, New
Database Connection…
Enter User name: SCOTT
Password: TIGER
Hostname: 127.0.0.1 (or IP of your Oracle Server on the Internet)
SID: orcl

If you want to connect to local Oracle user SYS,
Enter User name: sys
Password: ora10g_manager_password
Hostname: 127.0.0.1
SID: orcl
Select Role: SYSDBA
Click on [Connect]
Right-click on Tables, Create Table
Click on [Add Column]
Select Type: NUMBER for COLUMN2
Click on [OK]
Table1 is created
Click on TABLE1, click on “Data” tab
Click on the “Green Plus” icon to insert record
Click on “Commit Changes” icon
Click on “DBConnection1” tab
Enter: select * from table1;
Click on “Execute Statement (F9)” icon
To exit: Click on File, Exit