配数据库

。。。。11.2.0\client_1\network\admin\tnsnames.ora

xxxxx=

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = xxxxxx)(PORT = xxxx))

(CONNECT_DATA =

(SERVER = DEDICATED)

(SERVICE_NAME = devdb)

)

)

PLSQL DEVELOPER:

edit--->pl/sql beautiful options-->logon-history--->fixed user

>>xxx

xxxx/xxx