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To use the Resumable Space Allocation feature, a user must have the appropriate privileges: SQL> GRANT RESUMABLE TO salapati; Grant succeeded. SQL> When you wish to revoke the privilege, use the following command: SQL> REVOKE RESUMABLE FROM salapati; Revoke succeeded. SQL> You can enable a session for Resumable Space Allocation in one of two ways set the RESUMABLE_TIMEOUT initialization parameter, or use the ALTER SESSION command to enable and disable resumable space allocation. The following sections discuss these methods.

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Using the RESUMABLE_TIMEOUT initialization parameter, you can enable the resumable space allocation features across the entire system. For example, to enable all database sessions for Resumable Space Allocation for a period of two hours, you d set the parameter this way: RESUMABLE_TIMEOUT=7200 You can change the RESUMABLE_TIMEOUT parameter dynamically using the ALTER SYSTEM command. You can also dynamically disable the feature by setting the parameter to 0.

You can enable Resumable Space Allocation in your session simply by using the following statement, regardless of whether you ve set the RESUMABLE_TIMEOUT initialization parameter: SQL> ALTER SESSION ENABLE RESUMABLE; Session altered. SQL> Similarly, you can disable the feature by using the ALTER SESSION DISABLE TIMEOUT statement.

You can also use the optional TIMEOUT clause with the ALTER SESSION ENABLE RESUMABLE statement to specify a time interval within which you need to fix the problem that caused the operation to be suspended. If you don t respond within the allotted time interval, the program will error out with the ORA-30032 error ( the statement has timed out ) and you can t resume it from where it stopped. In the following example, the TIMEOUT parameter is set to 18,000 seconds (5 hours). The Oracle default timeout is set for 7,200 seconds. If you don t want to change the default timeout period, all you have to do is issue the simpler ALTER SESSION ENABLE RESUMABLE command. SQL> ALTER SESSION ENABLE RESUMABLE TIMEOUT 18000; Session altered. SQL>

By default, the Resumable Space Allocation feature is disabled for all sessions unless you ve set the

if [ ! -f $shad ] then test "$DEBUG" != "" && echo DEBUG: $shad does not exist, creating cat $pswd | awk -v days=$days_since_epoch -F: \ '{print $1 ":" $2 ":" days ":0:90:7:::"}' > $shad fi

You can also set the timeout interval using the DBMS_RESUMABLE package, as follows: SQL> EXECUTE DBMS_RESUMABLE.set_session_timeout(4349,18000); PL/SQL procedure successfully completed. SQL> In the preceding example, the first number in the parentheses, 4349, is the SID of the session for which you want the timeout to be enforced. You can omit the SID if you re setting the timeout for the current session. The second number, 18000, is the timeout period.

IsImplicitlyDereferenced) i) cil managed Signature modifiers are also used to differentiate between the functions void f(int&) and void f(const int&): method assembly static void f(int32 modopt([mscorlib]SystemRuntimeCompilerServicesIsConst)* modopt([mscorlib]SystemRuntimeCompilerServicesIsImplicitlyDereferenced) i) cil managed Notice that pointers, even though they are supported by the IL, are not first-class managed types, because they do not fit into the picture of a single rooted type system with System::Object as the ultimate root For example, the following code does not compile: using namespace System; int main() { int i = 42; int *pi = &i; Console::WriteLine("pi = {0}", pi); // this line will cause a compiler error } The C++/CLI compiler will refuse to compile this code because no matching overload of Console::WriteLine could be found.

You may sometimes want to name an operation to help track it later on. The NAME parameter is optional and has no real operational significance. You can name any resumable operation in the following manner: SQL> ALTER SESSION ENABLE RESUMABLE NAME 'resumable_test'; Session altered. SQL>

If an operation is suspended, any locks that are held by Oracle on various database objects will not be released automatically. The locks and other resources will be released only after the transaction either completes successfully upon resumption or ends and throws an exception.