您好,欢迎光临! 请 |

Can objects of the same Schema reside in different tablespaces?

Can objects of the same Schema reside in different tablespaces?

The answer is YES. For example ,if  one user have a table and a index schema,he/she can put the table and index into respective  tablespaces. 下载本文的PDF版本, 方便离线阅读转载

What is SYSTEM tablespace and when is it created?

What is SYSTEM tablespace and when is it created?

Every Oracle database contains a tablespace named SYSTEM, which is automatically created when the database is created. The SYSTEM tablespace always contains the data dictionary tables for the entire database. 下载本文的PDF版本, 方便离线阅读转载

What are the components of logical database structure of Oracle database?

What are the components of logical database structure of Oracle database?

There are tablespaces and database's schema objects. Generally,the logical database structure can be divided into TABLESPACES,SEGMENTS,EXTENTS,BLOCKS. 下载本文的PDF版本, 方便离线阅读转载

How to Uninstall Oracle 10g On Linux ?

How to Uninstall Oracle 10g On Linux ?

Steps: 1. run $ORACLE_HOME/bin/localconfig delete 2. rm -rf $ORACLE_BASE/* 3. rm -f /etc/oraInst.loc /etc/oratab 4. rm -rf /etc/oracle 5. rm -f /etc/inittab.cssd 6. rm -f /usr/local/bin/coraenv  /usr/local/bin/dbhome  /usr/local/bin/oraenv 7.remove the oracle user and the related group(dba,oinstall) Notes:These a......

What is the schema ?

What is the schema ?

A schema is a collection of database objects owned by a specific database user,or schema objects.Schema has the same name as that user,every user has a single schema,so the two terms(Schema,User) are synonymous. Schema objects include the segments(tables,indexes..etc) as we can see in the tablespaces as well as t......

What are the components of physical database structure of Oracle database?

What are the components of physical database structure of Oracle database?

Oracle database is comprised of three types of files:One or more datafiles, two or more redo log files, and one or more control files. 下载本文的PDF版本, 方便离线阅读转载

Oracle's history

Oracle’s history

ORACLE公司之起源 很难想象,ORACLE公司的这一段传奇居然要从IBM开始。 1970年的6月,IBM公司的研究员埃德加·考特 (Edgar Frank Codd) 在 Communications of ACM 上发表了那篇著名的《大型共享数据库数据的关系模型》(A Relational Model of Data for Large Shared Data Banks)的论文。这是数据库发展史上的一个转折。要知道,当时还......

Z59北京西到福州,开始新的生活

Z59北京西到福州,开始新的生活

乘坐2009年11月20日15:08分由北京西始发直达福州Z59次列车,开始我全新的生活,暂别了熙熙攘攘的首都北京,南漂了,告别了宇博信诚(北京)信息技术有限公司,我工作了 SQL> SELECT to_date('2009/11/17','YYYY/MM/DD')-to_date('2007/04/12','YYYY/MM/DD')   DAYS   FROM DUAL;   D......

重庆到北京,结束漫长的差旅

重庆到北京,结束漫长的差旅

2009年11月7日,搭乘国航CA1420由重庆飞北京,标志着我长达半年之久的差旅结束了!是的,5月3日就到重庆农村商业银行客户现场了,半年的出差工作给我自己带来莫大的帮助:技术层面有了进一步的积累和发展,也学习并掌握了一些新技术;业务层面,接触学习了银行金融系统。金融行业在我看来绝对是一个持久不衰的行业啊,尤其是和IT行业纵横......

Managing Oracle Tablespaces and Data Files

Managing Oracle Tablespaces and Data Files

A collection of 19 FAQs on creating and managing tablespaces and data files. Clear answers are provided with tutorial exercises on creating and dropping tablespaces; listing available tablespaces; creating and dropping data files; setting tablespaces and data files offline; removing corrupted data files. Topics i......