Starting Database Tools in Multiple Oracle Homes

You can start database tools in multiple Oracle homes.

If you have multiple Oracle homes on your computer from previous releases, then see Appendix B, "Optimal Flexible Architecture" in Oracle Database Installation Guide for Microsoft Windows for a description of differences between Oracle homes in different releases.

• Starting Tools from Multiple Oracle Homes
  Each Oracle home, including the first Oracle home you create on your computer, has a unique HOMENAME.