Hi

When we look into tnsnames.ora

seed.dbasupport.com = -- what is this called as
(DESCRIPTION = (seed.dbasupport.com)
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = TCP)
(HOST = 166.55.555.55)
(PORT = 1521)
)
)
(CONNECT_DATA =
(SID = seed) - I know that this is the data base name .


)


should seed.dbasupport.com and sid should be same .When these names are created .

when we connect to database we connect it by userid/password@host string ----------
the host string refers to seed.dbasupport.com or sid name


Thanks
lnreddy