[转载]oracle DBA technologies
之前看到一篇文章, 觉得不错! 看了后,发觉自己还有很多地方需要补足, 还需要努力啊！任重而道远！
DBA需要的技能
dba掌握的技术
1. os : linux,solaris或其他unix起码要一种
2. bash (不精通也要熟) LINUX与UNIX SHELL编程指南.pdf
3. perl 包括:
Perl_CD_BookShelf.chm
learning perl
perl pragramming
4. java（掌握）包括jdbc thin,oci等4类不同的连接方式，性能设置，一些中间件的知识
了解一些就够了
5. oracle performance tuning（范围很广）
ocp performance book
下tom的书《Wrox - Expert one-on-one Oracle》，
http://www.ebookcn.net/Soft/Soft_12042.htm
http://zuse.esnig.cifom.ch/database/doc_oracle/Oracle920_Linux/
server.920/a96533/toc.htm[/url]
oracle sql hign performance tuning 2nd editon by guy harrison
6. pl/sql
OReilly_oracle_Bookshelf 包括：
&nb
相关文档：
1. Read the Data Block.
2. Read the Row Header.
3. Check the Lock Byte to determine whether there's an ITL entry.
4. Read the ITL entry to determine the Transaction ID (Xid).
5. Read the Transaction Table using the Transaction ID. If the transaction has been committed and has a System Commit ......
如何远程判断Oracle数据库的安装平台
select * from v$version;
查看表空间的使用情况
select sum(bytes)/(1024*1024) as free_space,tablespace_name
from dba_free_space
group by tablespace_name;
SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES USED, C.BYTES FREE,
(B.BYTES*100)/A.BYTES "% USED",(C.BYTES ......
1、下载安装Microsoft Visual Studio 2008：
下载地址：http://www.microsoft.com/downloads/details.aspx?FamilyId=83C3A1EC-ED72-4A79-8961-25635DB0192B&displaylang=zh-cn，这个是“Visual Studio 2008 专业版（90 天试用版）”。
安装步骤略。
2� ......
从在Linux上安装Oracle到投入使用才几天，碰到的问题就成百上千的。在使用客户端连接远程Oracle数据库服务器时，出现了listener refused the connection with the following error ora-12519 Listener refused the connection with the following error:ORA-12519, TNS:no appropriate service handler foundThe Connection ......
select t.lot_number
from inv.mtl_onhand_quantities_detail t
left join mtl_system_items_b mi
on t.inventory_item_id = mi.inventory_item_id
where mi.segment1 like '101%' and mi.organization_id = 102
group by t.lot_number having count(*)=1 union
select t.lot_number||'x'
......
