Creating and updating duplicate databases with rman 11g
You can connect to any target Oracle Database schema using standard Oracle Database authentication.Once connected, you can perform operations on objects in the database.
If you ever need to restore the default interface, see Restoring the Original "Look and Feel".To close a window that has focus (such as the SQL Developer main window, a wizard or dialog box, or the Help Center) and any of its dependent windows, you can press Alt F4.The main toolbar (under the menus) contains Icons to perform various actions, which by default include the following: .(requires the Oracle Tuning Pack): Displays information about any query currently executing and queries that are done executing for a selected connection.To see detailed information about a query, right-click its row and select Show SQL Details.
Oracle SQL Developer is a graphical version of SQL*Plus that gives database developers a convenient way to perform basic tasks.