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Oracle导出表空间的创建语句、导入、导出dmp文件

发布时间:2020-12-12 13:33:54 所属栏目:百科 来源:网络整理
导读:begin for c in ( select t.NAME,d.NAME as name2 from v$tablespace t inner join v$datafile d on t."TS#" = d."TS#" where t."TS#" 4 )loopdbms_output.put_line( ‘ create tablespace ‘ || c.NAME || ‘ DATAFILE ‘ || ‘‘‘‘ || c.name2 || ‘‘‘
begin
 for c in (select t.NAME,d.NAME  as name2 from v$tablespace t
inner join  v$datafile d
on t."TS#"=d."TS#"
where t."TS#">4)
loop
dbms_output.put_line( create tablespace  ||c.NAME ||  DATAFILE ||‘‘‘‘||c.name2||‘‘‘‘|| size 20M
AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED; );
end loop;
end;

?

结果如:

create tablespace EXAMPLE DATAFILE D:ORACLEORADATAORCLEXAMPLE01.DBF size 20M
AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED;
create tablespace HCZZ_WEB_DATA DATAFILE D:ORACLEORADATAORCLDBF_HCZZ_WEB_DATA.DBF size 20M
AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED;
create tablespace HCZZ_WEB_INDEX DATAFILE D:ORACLEORADATAORCLDBF_HCZZ_WEB_INDEX.DBF size 20M
AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED;

数据库导出:

--第一次新建数据库导入使用
impdp hczz_web/password@localhost/orcl dumpfile=HCZZ_WEB_20170706.dmp
impdp hczz_web/password@221.234.25.77/orcl dumpfile=HCZZ_WEB_20180502.dmp
impdp hczz_web/password dumpfile=HCZZ_WEB_20170706.dmp
--第二次导入使用
impdp hczz_web/password dumpfile=HCZZ_WEB_20170706.dmp table_exists_action=replace --如果有替换还原新的数据库命,则执行---------------------- impdp hczz_web_test1/password@localhost/orcl dumpfile=HCZZ_WEB_20170628.DMP table_exists_action=replace remap_schema=hczz_web:hczz_web_test1 impdp hczz_web_test1/password@localhost/orcl dumpfile=HCZZ_WEB_20170628.DMP table_exists_action=replace remap_schema=hczz_web:hczz_web_test1 impdp hczz_web_test1/password@localhost/orcl dumpfile=备份库.DMP table_exists_action=replace remap_schema=原库名:现库名

?

创建表空间

/*分为四步 */
/*第1步:创建临时表空间  */
create temporary tablespace yuhang_temp 
tempfile D:oracledatayuhang_temp.dbf 
size 50m  
autoextend on  
next 50m maxsize 20480m  
extent management local;  
 
/*第2步:创建数据表空间  */
create tablespace yuhang_data  
logging  
datafile D:oracledatayuhang_data.dbf 
size 50m  
autoextend on  
next 50m maxsize 20480m  
extent management local;  
 
/*第3步:创建用户并指定表空间  */
create user yuhang identified by yuhang  
default tablespace yuhang_data  
temporary tablespace yuhang_temp;  
 
/*第4步:给用户授予权限  */
grant connect,resource,dba to yuhang;

创建用户

DECLARE
   user_name              CONSTANT VARCHAR2 (64) := hczz_web;
   user_password          CONSTANT VARCHAR2 (64) := password;
   data_tablespace_name   CONSTANT VARCHAR2 (64) := hczz_web_data;
   temp_tablespace_name   CONSTANT VARCHAR2 (64) := hczz_web_temp;

   PROCEDURE p_execcmd (v_cmd IN VARCHAR2)
   AS
      v_cursorid   INTEGER;
   BEGIN
      v_cursorid := DBMS_SQL.open_cursor;
      DBMS_SQL.parse (v_cursorid,v_cmd,DBMS_SQL.native);
      DBMS_SQL.close_cursor (v_cursorid);
   EXCEPTION
      WHEN OTHERS
      THEN
         DBMS_SQL.close_cursor (v_cursorid);
         RAISE;
   END p_execcmd;
BEGIN
-------------------1.创建用户-----------------------------------------------
   p_execcmd (   CREATE USER 
              || user_name
              ||  PROFILE DEFAULT IDENTIFIED BY 
              || user_password
              ||  DEFAULT TABLESPACE 
              || data_tablespace_name
              ||  TEMPORARY TABLESPACE 
              || temp_tablespace_name
              ||  ACCOUNT UNLOCK
             );
-------------------2.授权---------------------------------------------------

 p_execcmd(  GRANT CONNECT TO ||user_name|| WITH ADMIN OPTION );

 p_execcmd(  GRANT RESOURCE TO ||user_name|| WITH ADMIN OPTION   );

---以下慎用,权限过大
 p_execcmd(  GRANT DBA TO ||user_name|| WITH ADMIN OPTION  );
END;

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