利用DB_LINK在不同平台的数据库中复制数据

Linux公社(www.linuxidc.com)是专业的Linux系统门户网站，实时发布最新Linux资讯，包括Linux、Ubuntu、Fedora、RedHat、红旗Linux、Linux教程、Linux认证、SUSE

[Oracle@Template-RedHat54 admin]$ lsnrctl

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 13-APR-2012 23:09:14

Copyright (c) 1991, 2009, Oracle.  All rights reserved.

Welcome to LSNRCTL, type "help" for information.

LSNRCTL> status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date                13-APR-2012 19:23:20
Uptime                    0 days 3 hr. 45 min. 56 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
# tnsnames.ora Network Configuration File: /oracle/product/11.2.0/dbhome_1/netwo
rk/admin/tnsnames.ora
# Generated by Oracle configuration tools.

ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = Template-Redhat54)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ORCL)
    )
  )
WIN =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = WINDOWS)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ORCL)
    )
  )

~
~
"tnsnames.ora" 20L, 503C written
[oracle@Template-Redhat54 admin]$ tnsping WIN

TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 13-APR-2012 23:10
:13

Copyright (c) 1997, 2009, Oracle.  All rights reserved.

Used parameter files:

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = WINDOWS)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ORCL)))
OK (10 msec)
[oracle@Template-Redhat54 admin]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Fri Apr 13 23:10:18 2012

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options

SQL> create database link WIN connect to system identified by system using "WIN";
create database link WIN connect to system identified by system using "WIN"
                                                                      *
ERROR at line 1:
ORA-02010: missing host connect string

SQL>  create database link WIN connect to system identified by system using 'WIN';

Database link created.

SQL> select * from dual@WIN;

D
-
X

SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
[oracle@Template-Redhat54 admin]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Fri Apr 13 23:14:00 2012

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options

SQL>  create public database link WIN connect to system identified by system using "WIN";
 create public database link WIN connect to system identified by system using "WIN"
                                                                              *
ERROR at line 1:
ORA-02010: missing host connect string

SQL>   create public database link WIN connect to system identified by system using 'WIN';

Database link created.

SQL> select * from dual@WIN;

D
-
X

SQL> drop database link WIN;

Database link dropped.

SQL>  select * from dual@WIN;

D
-
X

SQL> SQL> exit5
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
[oracle@Template-Redhat54 admin]$ impdp system/system network_link=WIN schemas=datarepository

Import: Release 11.2.0.1.0 - Production on Fri Apr 13 23:15:38 2012

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SYSTEM"."SYS_IMPORT_SCHEMA_01":  system/******** network_link=WIN schemas=datarepository
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 384 KB
Processing object type SCHEMA_EXPORT/USER
Processing object type SCHEMA_EXPORT/SYSTEM_GRANT
Processing object type SCHEMA_EXPORT/ROLE_GRANT
Processing object type SCHEMA_EXPORT/DEFAULT_ROLE
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TYPE/TYPE_SPEC
Processing object type SCHEMA_EXPORT/TABLE/TABLE
. . imported "DATAREPOSITORY"."CONNECTIONSTRING"              8 rows
. . imported "DATAREPOSITORY"."IBS_DB_VERSION"               23 rows
. . imported "DATAREPOSITORY"."SMP_SYS_CNFG"                557 rows
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
Processing object type SCHEMA_EXPORT/PACKAGE/PACKAGE_SPEC
Processing object type SCHEMA_EXPORT/PROCEDURE/PROCEDURE
Processing object type SCHEMA_EXPORT/PACKAGE/COMPILE_PACKAGE/PACKAGE_SPEC/ALTER_PACKAGE_SPEC
Processing object type SCHEMA_EXPORT/PROCEDURE/ALTER_PROCEDURE
Processing object type SCHEMA_EXPORT/PACKAGE/PACKAGE_BODY
ORA-39082: Object type PACKAGE_BODY:"DATAREPOSITORY"."PKG_DDL" created with compilation warnings
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Job "SYSTEM"."SYS_IMPORT_SCHEMA_01" completed with 1 error(s) at 23:17:05

更多Oracle相关信息见Oracle 专题页面 ?tid=12

，