• Is there a list of SQL Developer hotkeys or accelerators?:

• SQL Developer Hotkeys (Chris Muir)
  

• How to remote debug with SQL Developer?

• You can use this setup for almost every front-end.
• More of the same. [Sue Harper's Blogspot on Remote Debugging]

• How do you run SQL Developer version on Windows XP 64 bit?
• Use the .bat file: <unzip>/sqldeveloper/bin/sqldeveloper.bat

• I'm having trouble with SQL Developer 1.5EA and Windows Vista? Are there any fixes?

• Add an AddVMOption to the sqldeveloper.conf file or try running with a 1.6/6.0 JDK.

• How does SQL Developer find my TNSNames file?
• SQL Developer checks the following:
  1) $HOME/tnsnames.ora
  2) $TNS_ADMIN/tnsnames.ora
  3) /etc/tnsnames.ora ( non-windows )
  4) $ORACLE_HOME/network/admin/tnsnames.ora
  5) Registry Key

• How do I connect to third party databases using SQL Developer?
• Third Party Drivers

• SQL Developer just won't start - not even the splash screen will display
• Verify that you have unzipped the SQL Developer file into an empty folder
• Verify that the installation directory and the JDK path have no spaces
  
  
• My TNS List of Values is empty when using ifile= in tnsnames.ora
• See MetaLink note 727224.1 TNS LOV is Empty when Using ifile that Points to a Network tnsnames.ora.