plsql 连接oracle 数据库

# tnsnames.ora Network Configuration File.
# Generated by Oracle configuration tools.

# Sample:
#DatabaseName =
#  (DESCRIPTION =
#    (ADDRESS_LIST =
#      (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
#    )
#    (CONNECT_DATA =
#      (SERVER = DEDICATED)
#      (SERVICE_NAME = ServiceName)
#      (INSTANCE_NAME = InstanceName)
#    )
#  )

# Modify the following content to fit your own needs.
orcl =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.74.129)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl.localdomain)
    )
  )
#orcl