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疑问：Oracle-impdp 按照用户导出,导入后发现存在部分索引不存在，缺失索引是关联其它用户创建的？
？？？
如下测试一下：
11G 单实例测试了一下，数据泵按照用户导出，如果存在用户索引关联其它用户的表，不会被导入；SQL> show userUSER is “SYS”SQL> create table system.test1 tablespace users as select * from dba_objects;SQL> grant select on system.test1 to test_usr;SQL> create table system.test2 as select * from dba_objects;SQL> grant select on system.test2 to test_usr;SQL> select tablespace_name from dba_segments where owner=‘SYSTEM’ and segment_name=‘TEST2’;TABLESPACE_NAMESYSTEMSQL> create index test_usr.ind_object_id on system.test1(object_id);SQL> create index test_usr.ind_object_id2 on system.test2(object_id);$ expdp ‘/ as sysdba’ directory=TMP dumpfile=test.dmp owner=TEST_USR CONTENT=METADATA_ONLYProcessing object type SCHEMA_EXPORT/USERProcessing object type SCHEMA_EXPORT/SYSTEM_GRANTProcessing object type SCHEMA_EXPORT/ROLE_GRANTProcessing object type SCHEMA_EXPORT/DEFAULT_ROLEProcessing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMAProcessing object type SCHEMA_EXPORT/TABLE/TABLEProcessing object type SCHEMA_EXPORT/TABLE/INDEX/INDEXProcessing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICSMaster table “SYS”.“SYS_EXPORT_SCHEMA_01” successfully loaded/unloaded$ impdp ‘/ as sysdba’ directory=TMP dumpfile=test.dmp sqlfile=tmp.sqlProcessing object type SCHEMA_EXPORT/USERProcessing object type SCHEMA_EXPORT/SYSTEM_GRANTProcessing object type SCHEMA_EXPORT/ROLE_GRANTProcessing object type SCHEMA_EXPORT/DEFAULT_ROLEProcessing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMAProcessing object type SCHEMA_EXPORT/TABLE/TABLEProcessing object type SCHEMA_EXPORT/TABLE/INDEX/INDEXProcessing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS$ impdp ‘/ as sysdba’ directory=TMP dumpfile=test.dmp sqlfile=tmp1.sql INCLUDE=index$ cat /tmp/tmp1.sql– new object type path: SCHEMA_EXPORT/TABLE/INDEX/INDEX– CONNECT TEST_USRCREATE INDEX “TEST_USR”.“IND_C” ON “TEST_USR”.“PARTTAB001” (“COL001”)PCTFREE 10 INITRANS 2 MAXTRANS 255STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)TABLESPACE “TEST_TBS” PARALLEL 1 ;ALTER INDEX “TEST_USR”.“IND_C” NOPARALLEL;CREATE INDEX “TEST_USR”.“A_ID_1” ON “TEST_USR”.“A” (“ID”)PCTFREE 10 INITRANS 2 MAXTRANS 255TABLESPACE “TEST_TBS” PARALLEL 1 ;ALTER INDEX “TEST_USR”.“A_ID_1” NOPARALLEL;
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