【IMPDP】使用 TRANSFORM选项去掉表空间和存储子句
2016-08-18 19:38
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使用IMPDP工具完成数据导入时,会按照dump文件中有关的存储的参数信息完成数据的导入。很多情况下我们希望按照被导入用户的默认参数完成数据的导入,此时我们可以使用IMPDP的TRANSFORM参数辅助完成。
1.IMPDP的TRANSFORM参数描述
secooler@secDB /expdp$ impdp help=y
……省略……
TRANSFORM
Metadata transform. to apply to applicable objects.
Valid keywords are: OID, PCTSPACE, SEGMENT_ATTRIBUTES and STORAGE.
……省略……
2.创建一个测试表T
sec@11gR2> create table t (x varchar2(8));
Table created.
sec@11gR2> insert into t values ('secooler');
1 row created.
sec@11gR2> commit;
Commit complete.
3.使用EXPDP生成表T的逻辑备份文件
secooler@secDB /expdp$ expdp sec/sec directory=expdp_dir dumpfile=sec_expdp.dmp logfile=sec_expdp.log tables=t
Export: Release 11.2.0.1.0 - Production on Thu May 13 09:32:44 2010
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 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
Starting "SEC"."SYS_EXPORT_TABLE_01": sec/******** directory=expdp_dir dumpfile=sec_expdp.dmp logfile=sec_expdp.log tables=t
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 64 KB
Processing object type TABLE_EXPORT/TABLE/TABLE
. . exported "SEC"."T" 5.007 KB 1 rows
Master table "SEC"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded
******************************************************************************
Dump file set for SEC.SYS_EXPORT_TABLE_01 is:
/expdp/sec_expdp.dmp
Job "SEC"."SYS_EXPORT_TABLE_01" successfully completed at 09:32:57
4.生成dump文件中的SQL语句
1)使用SQLFILE参数生成SQL创建语句
secooler@secDB /expdp$ impdp sec/sec directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql
Import: Release 11.2.0.1.0 - Production on Thu May 13 09:33:23 2010
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 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
Master table "SEC"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "SEC"."SYS_SQL_FILE_FULL_01": sec/******** directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql
Processing object type TABLE_EXPORT/TABLE/TABLE
Job "SEC"."SYS_SQL_FILE_FULL_01" successfully completed at 09:33:26
2)查看sec_expdp.sql文件获得SQL创建语句
secooler@secDB /expdp$ cat sec_expdp.sql
-- CONNECT SEC
ALTER SESSION SET EVENTS '10150 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10904 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '25475 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10407 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10851 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '22830 TRACE NAME CONTEXT FOREVER, LEVEL 192 ';
-- new object type path: TABLE_EXPORT/TABLE/TABLE
CREATE TABLE "SEC"."T"
( "X" VARCHAR2(8 BYTE)
) SEGMENT CREATION IMMEDIATE
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "TBS_SEC_D" ;
可见,此时包含了大量的存储参数及表空间参数。
5.使用TRANSFORM去掉表空间和存储子句
secooler@secDB /expdp$ impdp sec/sec directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql TRANSFORM=segment_attributes:n
Import: Release 11.2.0.1.0 - Production on Thu May 13 09:34:12 2010
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 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
Master table "SEC"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "SEC"."SYS_SQL_FILE_FULL_01": sec/******** directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql TRANSFORM=segment_attributes:n
Processing object type TABLE_EXPORT/TABLE/TABLE
Job "SEC"."SYS_SQL_FILE_FULL_01" successfully completed at 09:34:14
再次查看生成的穿件SQL语句:
secooler@secDB /expdp$ cat sec_expdp.sql
-- CONNECT SEC
ALTER SESSION SET EVENTS '10150 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10904 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '25475 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10407 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10851 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '22830 TRACE NAME CONTEXT FOREVER, LEVEL 192 ';
-- new object type path: TABLE_EXPORT/TABLE/TABLE
CREATE TABLE "SEC"."T"
( "X" VARCHAR2(8 BYTE)
) ;
此时生成的表T创建语句非常的简介,没错,就是这么简单。
6.小结
使用TRANSFORM选项可以完成去掉表空间和存储子句的目的,这样我们便可以控制导入时按照目标默认的参数。
我们的目标:所有要完成的任务都要在自己的掌控之中,UNDER CONTROL!
Good luck.
secooler
19.05.12
-- The End --
1.IMPDP的TRANSFORM参数描述
secooler@secDB /expdp$ impdp help=y
……省略……
TRANSFORM
Metadata transform. to apply to applicable objects.
Valid keywords are: OID, PCTSPACE, SEGMENT_ATTRIBUTES and STORAGE.
……省略……
2.创建一个测试表T
sec@11gR2> create table t (x varchar2(8));
Table created.
sec@11gR2> insert into t values ('secooler');
1 row created.
sec@11gR2> commit;
Commit complete.
3.使用EXPDP生成表T的逻辑备份文件
secooler@secDB /expdp$ expdp sec/sec directory=expdp_dir dumpfile=sec_expdp.dmp logfile=sec_expdp.log tables=t
Export: Release 11.2.0.1.0 - Production on Thu May 13 09:32:44 2010
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 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
Starting "SEC"."SYS_EXPORT_TABLE_01": sec/******** directory=expdp_dir dumpfile=sec_expdp.dmp logfile=sec_expdp.log tables=t
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 64 KB
Processing object type TABLE_EXPORT/TABLE/TABLE
. . exported "SEC"."T" 5.007 KB 1 rows
Master table "SEC"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded
******************************************************************************
Dump file set for SEC.SYS_EXPORT_TABLE_01 is:
/expdp/sec_expdp.dmp
Job "SEC"."SYS_EXPORT_TABLE_01" successfully completed at 09:32:57
4.生成dump文件中的SQL语句
1)使用SQLFILE参数生成SQL创建语句
secooler@secDB /expdp$ impdp sec/sec directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql
Import: Release 11.2.0.1.0 - Production on Thu May 13 09:33:23 2010
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 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
Master table "SEC"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "SEC"."SYS_SQL_FILE_FULL_01": sec/******** directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql
Processing object type TABLE_EXPORT/TABLE/TABLE
Job "SEC"."SYS_SQL_FILE_FULL_01" successfully completed at 09:33:26
2)查看sec_expdp.sql文件获得SQL创建语句
secooler@secDB /expdp$ cat sec_expdp.sql
-- CONNECT SEC
ALTER SESSION SET EVENTS '10150 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10904 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '25475 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10407 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10851 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '22830 TRACE NAME CONTEXT FOREVER, LEVEL 192 ';
-- new object type path: TABLE_EXPORT/TABLE/TABLE
CREATE TABLE "SEC"."T"
( "X" VARCHAR2(8 BYTE)
) SEGMENT CREATION IMMEDIATE
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "TBS_SEC_D" ;
可见,此时包含了大量的存储参数及表空间参数。
5.使用TRANSFORM去掉表空间和存储子句
secooler@secDB /expdp$ impdp sec/sec directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql TRANSFORM=segment_attributes:n
Import: Release 11.2.0.1.0 - Production on Thu May 13 09:34:12 2010
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 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options
Master table "SEC"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "SEC"."SYS_SQL_FILE_FULL_01": sec/******** directory=expdp_dir dumpfile=sec_expdp.dmp sqlfile=sec_expdp.sql TRANSFORM=segment_attributes:n
Processing object type TABLE_EXPORT/TABLE/TABLE
Job "SEC"."SYS_SQL_FILE_FULL_01" successfully completed at 09:34:14
再次查看生成的穿件SQL语句:
secooler@secDB /expdp$ cat sec_expdp.sql
-- CONNECT SEC
ALTER SESSION SET EVENTS '10150 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10904 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '25475 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10407 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '10851 TRACE NAME CONTEXT FOREVER, LEVEL 1';
ALTER SESSION SET EVENTS '22830 TRACE NAME CONTEXT FOREVER, LEVEL 192 ';
-- new object type path: TABLE_EXPORT/TABLE/TABLE
CREATE TABLE "SEC"."T"
( "X" VARCHAR2(8 BYTE)
) ;
此时生成的表T创建语句非常的简介,没错,就是这么简单。
6.小结
使用TRANSFORM选项可以完成去掉表空间和存储子句的目的,这样我们便可以控制导入时按照目标默认的参数。
我们的目标:所有要完成的任务都要在自己的掌控之中,UNDER CONTROL!
Good luck.
secooler
19.05.12
-- The End --
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