I am using 5.1.3 version and I notice this problems in earlier versions also.
Execute a query in the SQL window, and then try to select a column value in the results window, or even click in the results window. The cursor again changes to busy and it takes some seconds before you can select the...
If the database is brought down and up again while pl/sql developper is connected, the command window works but the sql*Windows give ORA-3114: not connected to ORACLE error.
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