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impdp的transform参数的测试
2022-07-07 02:19:00 【文档搬运工】
场景：
源端有100多个表空间，目标端，导入数据的时候，要建立这么多表空间，或者要remap_tablespace,要写100多个。很麻烦，使用transform参数，可以解决这个问题。
RDBMS 19.15
help中关于transform的说明：
TRANSFORM
Metadata transform to apply to applicable objects.
Valid keywords are: DISABLE_ARCHIVE_LOGGING, INMEMORY, INMEMORY_CLAUSE,
LOB_STORAGE, OID, PCTSPACE, SEGMENT_ATTRIBUTES, SEGMENT_CREATION,
STORAGE, and TABLE_COMPRESSION_CLAUSE.
官方文档中的说明：
https://docs.oracle.com/en/database/oracle/oracle-database/19/sutil/datapump-import-utility.html#GUID-64FB67BD-EB67-4F50-A4D2-5D34518E6BDB
--测试
创建测试表
create table bb.test as select * from dba_tables;
导出该表
expdp bb/oracle directory=dump dumpfile=test.dmp logfile=exp_test.log tables =test
[[email protected] ~]$ expdp bb/oracle directory=dump dumpfile=test.dmp logfile=exp_test.log tables =test
Export: Release 19.0.0.0.0 - Production on Wed Jul 6 11:20:58 2022
Version 19.15.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
FLASHBACK automatically enabled to preserve database integrity.
Starting "BB"."SYS_EXPORT_TABLE_01": bb/******** directory=dump dumpfile=test.dmp logfile=exp_test.log tables=test
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
Processing object type TABLE_EXPORT/TABLE/TABLE
. . exported "BB"."TEST" 785.8 KB 2208 rows
Master table "BB"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded
******************************************************************************
Dump file set for BB.SYS_EXPORT_TABLE_01 is:
/u01/dump/test.dmp
Job "BB"."SYS_EXPORT_TABLE_01" successfully completed at Wed Jul 6 11:22:02 2022 elapsed 0 00:00:39
[[email protected] ~]$ -- 不加参数transform.查看导入生成的sql语句 ，查看生成的sql语句 ，可以看到sql语句中由storage和tablespace参数
impdp bb/oracle directory=dump dumpfile=test.dmp logfile=imp_no_transform.log sqlfile=no_transform.sql
[[email protected] ~]$ impdp bb/oracle directory=dump dumpfile=test.dmp logfile=imp_no_transform.log sqlfile=no_transform.sql
Import: Release 19.0.0.0.0 - Production on Wed Jul 6 11:24:50 2022
Version 19.15.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Master table "BB"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "BB"."SYS_SQL_FILE_FULL_01": bb/******** directory=dump dumpfile=test.dmp logfile=imp_no_transform.log sqlfile=no_transform.sql
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
Job "BB"."SYS_SQL_FILE_FULL_01" successfully completed at Wed Jul 6 11:25:07 2022 elapsed 0 00:00:08
[[email protected] ~]$ [[email protected] dump]$ more no_transform.sql
-- CONNECT BB
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 "BB"."TEST"
( "OWNER" VARCHAR2(128 BYTE) NOT NULL ENABLE,
"TABLE_NAME" VARCHAR2(128 BYTE) NOT NULL ENABLE,
"TABLESPACE_NAME" VARCHAR2(30 BYTE),
"CLUSTER_NAME" VARCHAR2(128 BYTE),
"IOT_NAME" VARCHAR2(128 BYTE),
"STATUS" VARCHAR2(8 BYTE),
"PCT_FREE" NUMBER,
"PCT_USED" NUMBER,
"INI_TRANS" NUMBER,
"MAX_TRANS" NUMBER,
"INITIAL_EXTENT" NUMBER,
"NEXT_EXTENT" NUMBER,
"MIN_EXTENTS" NUMBER,
"MAX_EXTENTS" NUMBER,
"PCT_INCREASE" NUMBER,
"FREELISTS" NUMBER,
"FREELIST_GROUPS" NUMBER,
"LOGGING" VARCHAR2(3 BYTE),
"BACKED_UP" VARCHAR2(1 BYTE),
"NUM_ROWS" NUMBER,
"BLOCKS" NUMBER,
"EMPTY_BLOCKS" NUMBER,
"AVG_SPACE" NUMBER,
"CHAIN_CNT" NUMBER,
"AVG_ROW_LEN" NUMBER,
"AVG_SPACE_FREELIST_BLOCKS" NUMBER,
"NUM_FREELIST_BLOCKS" NUMBER,
"DEGREE" VARCHAR2(40 BYTE),
"INSTANCES" VARCHAR2(40 BYTE),
"CACHE" VARCHAR2(20 BYTE),
"TABLE_LOCK" VARCHAR2(8 BYTE),
"SAMPLE_SIZE" NUMBER,
"LAST_ANALYZED" DATE,
"PARTITIONED" VARCHAR2(3 BYTE),
"IOT_TYPE" VARCHAR2(12 BYTE),
"TEMPORARY" VARCHAR2(1 BYTE),
"SECONDARY" VARCHAR2(1 BYTE),
"NESTED" VARCHAR2(3 BYTE),
"BUFFER_POOL" VARCHAR2(7 BYTE),
"FLASH_CACHE" VARCHAR2(7 BYTE),
"CELL_FLASH_CACHE" VARCHAR2(7 BYTE),
"ROW_MOVEMENT" VARCHAR2(8 BYTE),
"GLOBAL_STATS" VARCHAR2(3 BYTE),
"USER_STATS" VARCHAR2(3 BYTE),
"DURATION" VARCHAR2(15 BYTE),
"SKIP_CORRUPT" VARCHAR2(8 BYTE),
"MONITORING" VARCHAR2(3 BYTE),
"CLUSTER_OWNER" VARCHAR2(128 BYTE),
"DEPENDENCIES" VARCHAR2(8 BYTE),
"COMPRESSION" VARCHAR2(8 BYTE),
"COMPRESS_FOR" VARCHAR2(30 BYTE),
"DROPPED" VARCHAR2(3 BYTE),
"READ_ONLY" VARCHAR2(3 BYTE),
"SEGMENT_CREATED" VARCHAR2(3 BYTE),
"RESULT_CACHE" VARCHAR2(7 BYTE),
"CLUSTERING" VARCHAR2(3 BYTE),
"ACTIVITY_TRACKING" VARCHAR2(23 BYTE),
"DML_TIMESTAMP" VARCHAR2(25 BYTE),
"HAS_IDENTITY" VARCHAR2(3 BYTE),
"CONTAINER_DATA" VARCHAR2(3 BYTE),
"INMEMORY" VARCHAR2(8 BYTE),
"INMEMORY_PRIORITY" VARCHAR2(8 BYTE),
"INMEMORY_DISTRIBUTE" VARCHAR2(15 BYTE),
"INMEMORY_COMPRESSION" VARCHAR2(17 BYTE),
"INMEMORY_DUPLICATE" VARCHAR2(13 BYTE),
"DEFAULT_COLLATION" VARCHAR2(100 BYTE),
"DUPLICATED" VARCHAR2(1 BYTE),
"SHARDED" VARCHAR2(1 BYTE),
"EXTERNAL" VARCHAR2(3 BYTE),
"HYBRID" VARCHAR2(3 BYTE),
"CELLMEMORY" VARCHAR2(24 BYTE),
"CONTAINERS_DEFAULT" VARCHAR2(3 BYTE),
"CONTAINER_MAP" VARCHAR2(3 BYTE),
"EXTENDED_DATA_LINK" VARCHAR2(3 BYTE),
"EXTENDED_DATA_LINK_MAP" VARCHAR2(3 BYTE),
"INMEMORY_SERVICE" VARCHAR2(12 BYTE),
"INMEMORY_SERVICE_NAME" VARCHAR2(1000 BYTE),
"CONTAINER_MAP_OBJECT" VARCHAR2(3 BYTE),
"MEMOPTIMIZE_READ" VARCHAR2(8 BYTE),
"MEMOPTIMIZE_WRITE" VARCHAR2(8 BYTE),
"HAS_SENSITIVE_COLUMN" VARCHAR2(3 BYTE),
"ADMIT_NULL" VARCHAR2(3 BYTE),
"DATA_LINK_DML_ENABLED" VARCHAR2(3 BYTE),
"LOGICAL_REPLICATION" 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 "USERS" ;
-- new object type path: TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
-- new object type path: TABLE_EXPORT/TABLE/STATISTICS/MARKER
[[email protected] dump]$-- 加参数transform. transform=storage:n 查看导入生成的sql语句 ，查看生成的sql语句 ，可以看到sql语句中没有storage参数了 。
impdp bb/oracle directory=dump dumpfile=test.dmp logfile=imp_transform_storage_n.log sqlfile=transform_storage_n.sql transform=storage:n
[[email protected] dump]$ impdp bb/oracle directory=dump dumpfile=test.dmp logfile=imp_transform_storage_n.log sqlfile=transform_storage_n.sql transform=storage:n
Import: Release 19.0.0.0.0 - Production on Wed Jul 6 11:31:46 2022
Version 19.15.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Master table "BB"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "BB"."SYS_SQL_FILE_FULL_01": bb/******** directory=dump dumpfile=test.dmp logfile=imp_transform_storage_n.log sqlfile=transform_storage_n.sql transform=storage:n
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
Job "BB"."SYS_SQL_FILE_FULL_01" successfully completed at Wed Jul 6 11:32:01 2022 elapsed 0 00:00:06
[[email protected] dump]$ [[email protected] dump]$ more transform_storage_n.sql
-- CONNECT BB
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 "BB"."TEST"
( "OWNER" VARCHAR2(128 BYTE) NOT NULL ENABLE,
"TABLE_NAME" VARCHAR2(128 BYTE) NOT NULL ENABLE,
"TABLESPACE_NAME" VARCHAR2(30 BYTE),
"CLUSTER_NAME" VARCHAR2(128 BYTE),
"IOT_NAME" VARCHAR2(128 BYTE),
"STATUS" VARCHAR2(8 BYTE),
"PCT_FREE" NUMBER,
"PCT_USED" NUMBER,
"INI_TRANS" NUMBER,
"MAX_TRANS" NUMBER,
"INITIAL_EXTENT" NUMBER,
"NEXT_EXTENT" NUMBER,
"MIN_EXTENTS" NUMBER,
"MAX_EXTENTS" NUMBER,
"PCT_INCREASE" NUMBER,
"FREELISTS" NUMBER,
"FREELIST_GROUPS" NUMBER,
"LOGGING" VARCHAR2(3 BYTE),
"BACKED_UP" VARCHAR2(1 BYTE),
"NUM_ROWS" NUMBER,
"BLOCKS" NUMBER,
"EMPTY_BLOCKS" NUMBER,
"AVG_SPACE" NUMBER,
"CHAIN_CNT" NUMBER,
"AVG_ROW_LEN" NUMBER,
"AVG_SPACE_FREELIST_BLOCKS" NUMBER,
"NUM_FREELIST_BLOCKS" NUMBER,
"DEGREE" VARCHAR2(40 BYTE),
"INSTANCES" VARCHAR2(40 BYTE),
"CACHE" VARCHAR2(20 BYTE),
"TABLE_LOCK" VARCHAR2(8 BYTE),
"SAMPLE_SIZE" NUMBER,
"LAST_ANALYZED" DATE,
"PARTITIONED" VARCHAR2(3 BYTE),
"IOT_TYPE" VARCHAR2(12 BYTE),
"TEMPORARY" VARCHAR2(1 BYTE),
"SECONDARY" VARCHAR2(1 BYTE),
"NESTED" VARCHAR2(3 BYTE),
"BUFFER_POOL" VARCHAR2(7 BYTE),
"FLASH_CACHE" VARCHAR2(7 BYTE),
"CELL_FLASH_CACHE" VARCHAR2(7 BYTE),
"ROW_MOVEMENT" VARCHAR2(8 BYTE),
"GLOBAL_STATS" VARCHAR2(3 BYTE),
"USER_STATS" VARCHAR2(3 BYTE),
"DURATION" VARCHAR2(15 BYTE),
"SKIP_CORRUPT" VARCHAR2(8 BYTE),
"MONITORING" VARCHAR2(3 BYTE),
"CLUSTER_OWNER" VARCHAR2(128 BYTE),
"DEPENDENCIES" VARCHAR2(8 BYTE),
"COMPRESSION" VARCHAR2(8 BYTE),
"COMPRESS_FOR" VARCHAR2(30 BYTE),
"DROPPED" VARCHAR2(3 BYTE),
"READ_ONLY" VARCHAR2(3 BYTE),
"SEGMENT_CREATED" VARCHAR2(3 BYTE),
"RESULT_CACHE" VARCHAR2(7 BYTE),
"CLUSTERING" VARCHAR2(3 BYTE),
"ACTIVITY_TRACKING" VARCHAR2(23 BYTE),
"DML_TIMESTAMP" VARCHAR2(25 BYTE),
"HAS_IDENTITY" VARCHAR2(3 BYTE),
"CONTAINER_DATA" VARCHAR2(3 BYTE),
"INMEMORY" VARCHAR2(8 BYTE),
"INMEMORY_PRIORITY" VARCHAR2(8 BYTE),
"INMEMORY_DISTRIBUTE" VARCHAR2(15 BYTE),
"INMEMORY_COMPRESSION" VARCHAR2(17 BYTE),
"INMEMORY_DUPLICATE" VARCHAR2(13 BYTE),
"DEFAULT_COLLATION" VARCHAR2(100 BYTE),
"DUPLICATED" VARCHAR2(1 BYTE),
"SHARDED" VARCHAR2(1 BYTE),
"EXTERNAL" VARCHAR2(3 BYTE),
"HYBRID" VARCHAR2(3 BYTE),
"CELLMEMORY" VARCHAR2(24 BYTE),
"CONTAINERS_DEFAULT" VARCHAR2(3 BYTE),
"CONTAINER_MAP" VARCHAR2(3 BYTE),
"EXTENDED_DATA_LINK" VARCHAR2(3 BYTE),
"EXTENDED_DATA_LINK_MAP" VARCHAR2(3 BYTE),
"INMEMORY_SERVICE" VARCHAR2(12 BYTE),
"INMEMORY_SERVICE_NAME" VARCHAR2(1000 BYTE),
"CONTAINER_MAP_OBJECT" VARCHAR2(3 BYTE),
"MEMOPTIMIZE_READ" VARCHAR2(8 BYTE),
"MEMOPTIMIZE_WRITE" VARCHAR2(8 BYTE),
"HAS_SENSITIVE_COLUMN" VARCHAR2(3 BYTE),
"ADMIT_NULL" VARCHAR2(3 BYTE),
"DATA_LINK_DML_ENABLED" VARCHAR2(3 BYTE),
"LOGICAL_REPLICATION" VARCHAR2(8 BYTE)
) SEGMENT CREATION IMMEDIATE
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255
NOCOMPRESS LOGGING
TABLESPACE "USERS" ;
-- new object type path: TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
-- new object type path: TABLE_EXPORT/TABLE/STATISTICS/MARKER
[[email protected] dump]$ -- 加参数transform. segment_attributes:n 查看导入生成的sql语句 ，查看生成的sql语句 ， 可以看到，里面没有任何的storeage和tablespce参数了。
impdp bb/oracle directory=dump dumpfile=test.dmp logfile=imp_transform_segment_attributes_n.log sqlfile=transform_segment_attributes_n.sql transform=segment_attributes:n
[[email protected] dump]$ impdp bb/oracle directory=dump dumpfile=test.dmp logfile=imp_transform_segment_attributes_n.log sqlfile=transform_segment_attributes_n.sql transform=segment_attributes:n
Import: Release 19.0.0.0.0 - Production on Wed Jul 6 11:34:47 2022
Version 19.15.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Master table "BB"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "BB"."SYS_SQL_FILE_FULL_01": bb/******** directory=dump dumpfile=test.dmp logfile=imp_transform_segment_attributes_n.log sqlfile=transform_segment_attributes_n.sql transform=segment_attributes:n
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
Job "BB"."SYS_SQL_FILE_FULL_01" successfully completed at Wed Jul 6 11:35:04 2022 elapsed 0 00:00:08
[[email protected] dump]$ [[email protected] dump]$ more transform_segment_attributes_n.sql
-- CONNECT BB
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 "BB"."TEST"
( "OWNER" VARCHAR2(128 BYTE) NOT NULL ENABLE,
"TABLE_NAME" VARCHAR2(128 BYTE) NOT NULL ENABLE,
"TABLESPACE_NAME" VARCHAR2(30 BYTE),
"CLUSTER_NAME" VARCHAR2(128 BYTE),
"IOT_NAME" VARCHAR2(128 BYTE),
"STATUS" VARCHAR2(8 BYTE),
"PCT_FREE" NUMBER,
"PCT_USED" NUMBER,
"INI_TRANS" NUMBER,
"MAX_TRANS" NUMBER,
"INITIAL_EXTENT" NUMBER,
"NEXT_EXTENT" NUMBER,
"MIN_EXTENTS" NUMBER,
"MAX_EXTENTS" NUMBER,
"PCT_INCREASE" NUMBER,
"FREELISTS" NUMBER,
"FREELIST_GROUPS" NUMBER,
"LOGGING" VARCHAR2(3 BYTE),
"BACKED_UP" VARCHAR2(1 BYTE),
"NUM_ROWS" NUMBER,
"BLOCKS" NUMBER,
"EMPTY_BLOCKS" NUMBER,
"AVG_SPACE" NUMBER,
"CHAIN_CNT" NUMBER,
"AVG_ROW_LEN" NUMBER,
"AVG_SPACE_FREELIST_BLOCKS" NUMBER,
"NUM_FREELIST_BLOCKS" NUMBER,
"DEGREE" VARCHAR2(40 BYTE),
"INSTANCES" VARCHAR2(40 BYTE),
"CACHE" VARCHAR2(20 BYTE),
"TABLE_LOCK" VARCHAR2(8 BYTE),
"SAMPLE_SIZE" NUMBER,
"LAST_ANALYZED" DATE,
"PARTITIONED" VARCHAR2(3 BYTE),
"IOT_TYPE" VARCHAR2(12 BYTE),
"TEMPORARY" VARCHAR2(1 BYTE),
"SECONDARY" VARCHAR2(1 BYTE),
"NESTED" VARCHAR2(3 BYTE),
"BUFFER_POOL" VARCHAR2(7 BYTE),
"FLASH_CACHE" VARCHAR2(7 BYTE),
"CELL_FLASH_CACHE" VARCHAR2(7 BYTE),
"ROW_MOVEMENT" VARCHAR2(8 BYTE),
"GLOBAL_STATS" VARCHAR2(3 BYTE),
"USER_STATS" VARCHAR2(3 BYTE),
"DURATION" VARCHAR2(15 BYTE),
"SKIP_CORRUPT" VARCHAR2(8 BYTE),
"MONITORING" VARCHAR2(3 BYTE),
"CLUSTER_OWNER" VARCHAR2(128 BYTE),
"DEPENDENCIES" VARCHAR2(8 BYTE),
"COMPRESSION" VARCHAR2(8 BYTE),
"COMPRESS_FOR" VARCHAR2(30 BYTE),
"DROPPED" VARCHAR2(3 BYTE),
"READ_ONLY" VARCHAR2(3 BYTE),
"SEGMENT_CREATED" VARCHAR2(3 BYTE),
"RESULT_CACHE" VARCHAR2(7 BYTE),
"CLUSTERING" VARCHAR2(3 BYTE),
"ACTIVITY_TRACKING" VARCHAR2(23 BYTE),
"DML_TIMESTAMP" VARCHAR2(25 BYTE),
"HAS_IDENTITY" VARCHAR2(3 BYTE),
"CONTAINER_DATA" VARCHAR2(3 BYTE),
"INMEMORY" VARCHAR2(8 BYTE),
"INMEMORY_PRIORITY" VARCHAR2(8 BYTE),
"INMEMORY_DISTRIBUTE" VARCHAR2(15 BYTE),
"INMEMORY_COMPRESSION" VARCHAR2(17 BYTE),
"INMEMORY_DUPLICATE" VARCHAR2(13 BYTE),
"DEFAULT_COLLATION" VARCHAR2(100 BYTE),
"DUPLICATED" VARCHAR2(1 BYTE),
"SHARDED" VARCHAR2(1 BYTE),
"EXTERNAL" VARCHAR2(3 BYTE),
"HYBRID" VARCHAR2(3 BYTE),
"CELLMEMORY" VARCHAR2(24 BYTE),
"CONTAINERS_DEFAULT" VARCHAR2(3 BYTE),
"CONTAINER_MAP" VARCHAR2(3 BYTE),
"EXTENDED_DATA_LINK" VARCHAR2(3 BYTE),
"EXTENDED_DATA_LINK_MAP" VARCHAR2(3 BYTE),
"INMEMORY_SERVICE" VARCHAR2(12 BYTE),
"INMEMORY_SERVICE_NAME" VARCHAR2(1000 BYTE),
"CONTAINER_MAP_OBJECT" VARCHAR2(3 BYTE),
"MEMOPTIMIZE_READ" VARCHAR2(8 BYTE),
"MEMOPTIMIZE_WRITE" VARCHAR2(8 BYTE),
"HAS_SENSITIVE_COLUMN" VARCHAR2(3 BYTE),
"ADMIT_NULL" VARCHAR2(3 BYTE),
"DATA_LINK_DML_ENABLED" VARCHAR2(3 BYTE),
"LOGICAL_REPLICATION" VARCHAR2(8 BYTE)
) ;
-- new object type path: TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
-- new object type path: TABLE_EXPORT/TABLE/STATISTICS/MARKER
[[email protected] dump]$
总结：
transform=segment_attributes:n ， 导入时，不考虑原来表信息中的storage、tablespace参数，对象数据直接导入到用户默认表空间中
transform=storage:n ，导入时，不考虑原来表信息中的storage参数，但是表空间信息依旧存在（导入到原来系统的中存在的表空间中，原来存放在什么表空间中，impdp后还要存在在原来的表空间中）
所以，在针对源端由很多个表空间的时候，导入到目标端，可以使用参数transform=segment_attributes:n。这样就导入到目标端默认的表空间中了。不需要再在目标端建立多个表空间。
昨天，使用remap_tablespace=%:tbs 也成功了。但是建议，还是使用transform参数。
END。
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