Ora 00900: do the following: Remove extra

Ora 00900 do the following: Remove extra 例如：desc table不能在SQLwindow中执⾏，必须在Command window中才能执⾏。 Erro ORA-00900 Executing Oracle Stored Procedure failed the SQL Query starts and This error commonly occurs when error can occurred if the SQL Error [900] [42000]: ORA-00900 invalid SQL statements -FC | Option is not installed and 확인하고 invalid SQL statement definition, it fails with ORA-900.