The function of each systematic table in SQL Server:

The concrete example is as follows:

Sysaltfiles main database Keep the file syscharsets main database of the database The character collects and arranges in an order the order sysconfigures main database The disposition selects syscurconfigs main database Dispose and select sysdatabases main database at present Storehouse syslanguages main database of data in the server Language syslogins main database Land the information sysoledbusers main database of the account number Chain the server and land the information sysprocesses main database Process sysremotelogins main database Account number syscolumns each database of Telnet List each database of sysconstrains Limit each database of sysfilegroups Each database of group sysfiles of file File sysforeignkeys each database External key word sysindexs each database Index sysmenbers each database The role is

Dispose listener.ora and tnsnames.ora on the end of server

Revise lisnter.ora and tnsnames.ora file, in order to increase listener.
This part, RAC environment and it is not that there is not difference in RAC environment, can consult the file of Oracle.

Can serve for three instances by one listener, can start three listeners to serve for three instances too.
I have started three listeners.

Listener.ora
LSNR1 =
ADDRESS_LIST =
ADDRESS =PROTOCOL =tcp HOST =your_ip_or_name PORT =1521
LSNR2 =
ADDRESS_LIST =
ADDRESS =PROTOCOL =tcp HOST =your_ip_or_name PORT =1522
LSNR3 =
ADDRESS_LIST =
ADDRESS =PROTOCOL =tcp HOST =your_ip_or_name PORT =1523

tnsnames.ora
lsnr1 =DESCRIPTION =
ADDRESS =PROTOCOL =tcp HOST =your_ip_or_name PORT =1521
lsnr2 =DESCRIPTION =
ADDRESS =PROTOCOL =tcp HOST =your_ip_or_name PORT =1522
lsnr3 =DESCRIPTION =
ADDRESS =PROTOCOL =tcp HOST =your_ip_or_name PORT =1523

Replace your_ip_or_name as your IP address or hostname.
Rac.test.com replaces

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BlackBerry smartphone batteries work best with your device, holding their charge longer and taking the maximum number of charges over their lifetime.

BlackBerry battery features a cryptographic chip so as to assure you it’s genuine.

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