1.首先要开启监听程序
[oracle@test sqldeveloper]$ lsnrctl start
2.进入程序目录,启动脚本
[oracle@test sqldeveloper]$ pwd /u01/app/oracle/product/11.2.0.4/sqldeveloper [oracle@test sqldeveloper]$ ls BC4J j2ee lib relnotes.html sqldeveloper.exe dvt jdbc otn_new.css sqlcli sqldeveloper.sh icon.png jdev raptor_image.jpg sqlcli.bat timingframework ide jlib rdbms sqldeveloper [oracle@test sqldeveloper]$ ./sqldeveloper.sh