ORACLE NET
1.net_service_name:
servive_name: The SERVICE_NAME is the global database name .=sid+domain
net_service_name=
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=host)(PORT=port) )
(CONNECT_DATA=
(SERVICE_NAME=service_name) ) )
2. locate port: oracle_home/install/portlist.int
3. jdbc oci driver: java appication call oci, connect oracle server
jdbc thin driver: java application call thin driver ,not oci, complete connection.
4.
connect identifier=net_service_name
service name: show parameter service_names, presentation logical of the database
=db_domain.db_name=globalname
connection Descriptor:location of the database
name of the database service
service register:database register information with the listener,pmon register information in the listener.
services names
instance names
service handler:dispathers and dedicated servers
alter system register
service handler:
name method: easy connection string
host
tnsname
oid
5.listener.ora(server)
tnsnames.ora(client)
sqlnet.ora(client) //Decided to name resolution method
ORACLE_HOME/network/admin/
6.spawns and bequeaths connections( in dedicated server)
hands off the connection to a dispather(in shared server)
redirect the connection to a dispather or server process
7.service regster: static or dynamic register
dynamic:pmon register informations
no listener.ora
db_name
db_domain
service_names
instance_name
local_listener
static:listener.ora
oem
8.netca
netmgr
(static register)
lsnrctl start listenername
stop
tnsping oraclelsh
9.sqlplus hr/hr@//192.168.1.88:1521/lsh
sqlplus hr/hr@oraclelsh
10.TNS_ADMIN
$ORACLE_HOME/network/admin