expdpquery⽤法
expdp scott/tiger directory=dp tables=t1  schemas=scott dumpfile=t1.dmp logfile=t1.log  query='"where
hiredate>to_date('1982-01-02','yyyy-mm-dd')"'
C:\Users\Administrator>expdp scott/tiger directory=dp tables=scott.t1  dumpfile=t1.dmp logfile=t1.log  query="where hiredate>'1982-01-02'"
Export: Release 11.2.0.1.0 - Production on 星期⼀ 3⽉ 11 15:42:54 2013exists的用法
Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.
连接到: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39001: 参数值⽆效
ORA-39035: 已经指定了数据过滤器 SUBQUERY。
说明query写的有问题
正确写法要⽤\转义引号
C:\Users\Administrator>expdp scott/tiger directory=dp tables=t1  dumpfile=t1.dmp logfile=t1.log  query=t1:\"where hiredate>to_date('1982-01-02','yyyy-mm-dd')\"
Export: Release 11.2.0.1.0 - Production on 星期⼀ 3⽉ 11 16:33:45 2013
Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.
连接到: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
启动 "SCOTT"."SYS_EXPORT_TABLE_01":  scott/******** directory=dp tables=t1 dumpfile=t1.dmp logfile=t1.log
query=t1:"where hiredate>to_date('1982-01-02','yyyy-mm-dd')"
正在使⽤ BLOCKS ⽅法进⾏估计...
处理对象类型 TABLE_EXPORT/TABLE/TABLE_DATA
使⽤ BLOCKS ⽅法的总估计: 64 KB
处理对象类型 TABLE_EXPORT/TABLE/TABLE
. . 导出了 "SCOTT"."T1"                                8.304 KB      8 ⾏
已成功加载/卸载了主表 "SCOTT"."SYS_EXPORT_TABLE_01"
******************************************************************************
SCOTT.SYS_EXPORT_TABLE_01 的转储⽂件集为:
E:\ORACLE\T1.DMP
作业 "SCOTT"."SYS_EXPORT_TABLE_01" 已于 16:33:59 成功完成
impdp scott/tiger directory=dp remap_table=t1:t2  dumpfile=t1.dmp logfile=t2.log  table_exists_action=replace
多个表时：
QUERY=emp:\"WHERE username in ('aaa','bb')\",taba:\"WHERE rownum<5\"

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