SQL Developer configuration and simple use

1. Premise: The use of Sqldeveloper is based on the premise that Oracle is installed on your machine.

2. Just open SQL Developer

Locate the directory of the JDK you installed, the path I installed is: C:\Java\jdk1.6.0\bin\java.exe or C:\Java\jre6\bin\java.exe. Note that the JDK needs to be available under version 1.6, and the above versions are also available, but errors may occur.

3. The following interface can be selected or not selected.

4. Open the SQL developer to establish the connection, configured as follows. You can connect to multiple users for use. The following connections are commonly used by two users, Scott and system

Scott user connections

System user connections

Under SQL Developer, export the table inside Oracle.

After the stop, the table has been exported. Here is the part of the table I exported:

SQL Developer configuration and simple use