Oracle的外部表,或者备份单个表到外部文件
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2022-04-27 21:54:24
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这是Tom的深入数据库体系结构的例子,学习了 备份表到外部文件 create table gftuserorganization external(type Oracle_datapump
这是Tom的深入数据库体系结构的例子,学习了
备份表到外部文件
create table gftuser
organization external
(type Oracle_datapump
default directory tmp
location('test0801.dmp')
)
as
select * from all_objects
从外部文件到数据库
create table t
( OWNER VARCHAR2(30),
OBJECT_NAME VARCHAR2(30),
SUBOBJECT_NAME VARCHAR2(30),
OBJECT_ID NUMBER,
DATA_OBJECT_ID NUMBER,
OBJECT_TYPE VARCHAR2(19),
CREATED DATE,
LAST_DDL_TIME DATE,
TIMESTAMP VARCHAR2(19),
STATUS VARCHAR2(7),
TEMPORARY VARCHAR2(1),
GENERATED VARCHAR2(1),
SECONDARY VARCHAR2(1)
)
organization external
( type oracle_datapump
default directory TMP
location( 'test0801.dmp' )
)