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Useful SRVCTL Commands (Oracle RAC)

If you have to administer an Oracle Real Application Clusters (Oracle RAC) databases and instances using the Server Control Utility (SRVCTL).

The Server Control (SRVCTL) utility is installed on each node by default. You can use SRVCTL to start and stop the database and instances, manage configuration information, and to move or remove instances and services. You can also use SRVCTL to add services. SRVCTL also manages configuration information.

Syntax:

srvctl command object [parameters]

To see the command syntax and a list of options for each SRVCTL command, from the command line enter:

srvctl command (or verb) object (or noun) -h
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Word count

Mai jos am creat o functie care returneaza numarul de cuvinte care se afla intr-o fraza. Functia poate fi rulata, desigur, avand ca parametru si numele unei coloane dintr-o tabela, cu conditia ca acea coloana sa fie de tipul varchar.

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Functie rotunjire la puterea lui 10

Am facut o functie ce primeste 3 parametri, intre care primul este un numar intreg, pe care il rotunjeste la cea mai apropiata putere a lui 10 (in functie de parametrul al doilea), iar rotunjirea se face in sus sau in jos, in functie de parametrul al treilea.

Am lasat si cateva exemple de apelare comentate, pentru o mai buna  intelegere a felului in care functioneaza functia.

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