• 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?


    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 user
    USER 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_NAME
    SYSTEM
    
    SQL> 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_ONLY
    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/TABLE/TABLE
    Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
    Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
    Master table “SYS”.“SYS_EXPORT_SCHEMA_01” successfully loaded/unloaded
    
    $ impdp ‘/ as sysdba’ directory=TMP dumpfile=test.dmp sqlfile=tmp.sql
    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/TABLE/TABLE
    Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
    Processing 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_USR
    CREATE INDEX “TEST_USR”.“IND_C” ON “TEST_USR”.“PARTTAB001” (“COL001”)
    PCTFREE 10 INITRANS 2 MAXTRANS 255
    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 “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 255
    TABLESPACE “TEST_TBS” PARALLEL 1 ;
    ALTER INDEX “TEST_USR”.“A_ID_1” NOPARALLEL;
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  • 原文地址:https://www.cnblogs.com/lvcha001/p/14511614.html
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