oracle tnsname.ora 添加database的模板，以后费事在找了

###RAC###
RACalias =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = hostIP )(PORT = 1522))
)
(CONNECT_DATA =
(SERVICE_NAME = RACServerName)
)
)
####single database
DBalias=
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = hostIP)(PORT = 1521))
)
(CONNECT_DATA =
(SID = OracleSIDname)
(SERVER = DEDICATED)
)
)

记录一下，省的以后再找了