drop user oa cascade;刪除oa賬戶 DROP TABLESPACE WEIBOBOX INCLUDING CONTENTS ANDDATAFILES;刪除資料表空間建立暫存資料表空間create temporary tablespace WEIBOBOX tempfile 'C:/app/hechaojie/oradata/orcl/weibobox.dbf'size 50m autoextend on next 50m maxsize 20480m extent
Installing Oracle 9iR2 on RHEL AS 3 Step-by-Step作者: FenngInstalling Oracle 9iR2 on Red Hat Enterprise Linux Advanced Server 3 (RHEL 3)全球最大的 Linux 廠商 Red Hat 公司 最近發布了Red Hat Enterprise Linux 3.該版本號碼稱有史以來最強大的開源作業系統,也被視為是當前最為完整的 Linux 企業級解決方案.得到了包括
/*建立新表用COURSE表為模板,建立一張新表COURSE_NEW,並且包括COURSE表的所有記錄。*/--刪除已存在的表DROP TABLE course_new;CREATE TABLE course_new AS SELECT * FROM COURSE;select * from course_new/*清空COURSE_NEW表中的所有記錄。*/TRUNCATE TABLE
This is actually a fairly common question and not one that is often addressed adequately. The following is the, slightly edited text of a reply sent by Howard Rogers www.dizwell.com to someone who asked this exact question. The post is so good, that
資料庫的記憶體結構: Memory structures are allocated to the Oracle instance when the instance is started.The two major memory structures are known as the System Global Area(Also called the sharedGlobal Area)and the Program Global Area(also called the
1、資料庫的邏輯結構和物理結構: Oracle logically divides the database into a smaller units to manage ,store,and retreivedata efficently. Tablespace/Blocks/Extents/segment/有四種segment:data segment、Index segment、Temporay segment、Rollback Segmenttemporary
create or replace procedure UpdateTestDataisj number;dept_min_no number;dept_max_no number;begin --更新部門表 delete from test_dept; for i in 1..10 loop insert into test_dept(dept_name,f_deleteflag) values('部門'||i,0); commit; end loop;