New Desktop and Server Class Options 1. Desktop ClassQ适用于笔记本、台式机 2. Server ClassQ适用于服务器Q功能上没区别,多一些高U配|选项Q?br /> Daylight Savings Time Upgrade of Timestamp with Timezone Data Type 新的DBMS_DST包,优化对TIMESTAMP WITH TIMEZONE数据的管?br /> SYSASM Privilege 理ASM需要SYSASM权限Q旨在分清ASM理和DB理
Fixup Scripts and Prerequisite Checks 安装前检查时Q如果遇CW合要求的配|,OUI会对一些检查项自动生成fixup脚本Q用root执行可以解决相应问题?br /> New Tool to Configure Custom Installation Options OUI不在提供对单个组件的配置功能Q如果需要只能用$ORACLE_HOME/bin/chopt命o行进行配|?b>我想Oracle的趋势就是ؓ了让更多已经成熟?font color="#ff0000">配置自动?/font>Q简化用?/b>
Intelligent Data Placement 指定ASM盘的磁盘范_旨在高频访问的数据攑֜HOT regionQ比如磁盘的外道Q?br /> Oracle Automatic Storage Management Cluster File System (Oracle ACFS) 为其它文件提供ASM的存储功?br /> Data Pump Export and Data Pump Import Data Pump兼容Export/Import
Use Oracle Restart to Automatically Restart Your Database 1. 针对单点环境 2. 自动重启又问题的lgQ如Qdb instance、listener、asm instance
New Method of Installing Oracle Automatic Storage Management 以前QASM的安装是伴随着DB的安装;现在是伴随着Software的安装?br /> 其实Q就是把ASM上升C个Y件的高度Q以前只是db的一个组Ӟ
SRVCTL Support for Single Instance Database in a Cluster SRVCTLl一理单点Qwith RestartQ和集群数据库(with ClusterwareQ?br /> Deprecated in Oracle Database 11g Release 2 不支持裸讑֤了:要么用文件系l、要么用ASMQ说白了Q?font color="#ff0000">企业环境必ȝASM 不支持Oracle Ultra SearchQ?i的一个什么鸟功能Q?br />
]]>Win - 启动l色版MYSQLhttp://www.aygfsteel.com/Jcat/archive/2011/06/16/352394.htmlJcatJcatWed, 15 Jun 2011 17:40:00 GMThttp://www.aygfsteel.com/Jcat/archive/2011/06/16/352394.htmlhttp://www.aygfsteel.com/Jcat/comments/352394.htmlhttp://www.aygfsteel.com/Jcat/archive/2011/06/16/352394.html#Feedback1http://www.aygfsteel.com/Jcat/comments/commentRss/352394.htmlhttp://www.aygfsteel.com/Jcat/services/trackbacks/352394.html重装完系l,mysql不需要重装,直接当绿色版使用Q还更干净
//启动MYSQL
cd $MYSQL_HOME/bin D:\JAVA\MYSQL\mysql-5.1.53-win32\bin>mysqld --console 110616 1:26:26 [Note] Plugin 'FEDERATED' is disabled. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 110616 1:26:26 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 110616 1:26:26 InnoDB: Started; log sequence number 0 44233 110616 1:26:27 [Note] Event Scheduler: Loaded 0 events 110616 1:26:27 [Note] mysqld: ready for connections. Version: '5.1.53-community' socket: '' port: 3306 MySQL Community Server (GPL )
//单?/font> mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | test | +--------------------+ 3 rows in set (0.03 sec)
]]>分区?- 主键为本地烦?/title>http://www.aygfsteel.com/Jcat/archive/2010/09/15/332074.htmlJcatJcatWed, 15 Sep 2010 07:26:00 GMThttp://www.aygfsteel.com/Jcat/archive/2010/09/15/332074.htmlhttp://www.aygfsteel.com/Jcat/comments/332074.htmlhttp://www.aygfsteel.com/Jcat/archive/2010/09/15/332074.html#Feedback0http://www.aygfsteel.com/Jcat/comments/commentRss/332074.htmlhttp://www.aygfsteel.com/Jcat/services/trackbacks/332074.html--主键是非分区索引Q也可以看作是全局
create table test_par1 ( tdate varchar2(8) primary key ) partition by range ( tdate ) ( partition p1 values less than ('20090201'), partition p2 values less than ('20090301'), partition pm values less than (MAXVALUE) ) tablespace test;
--主键是分区烦?/font> create table test_par2 ( tdate varchar2(8) ) partition by range ( tdate ) ( partition p1 values less than ('20090201'), partition p2 values less than ('20090301'), partition pm values less than (MAXVALUE) ) tablespace test;
create index i_tdate2 on test_par2(tdate) local;
alter table test_par2 add constraint pk_tdate2 primary key(tdate);
--查看test_par2的DDL select dbms_metadata.get_ddl( 'TABLE', 'TEST_PAR2' ) from dual; --整理如下 create table test_par3 ( tdate varchar2(8), constraint pk_tdate3 primary key (tdate) using index local ) partition by range ( tdate ) ( partition p1 values less than ('20090201'), partition p2 values less than ('20090301'), partition pm values less than (MAXVALUE) ) tablespace test;
列出当前实例下的所有数据库 [db2inst1@dcm ~]$ db2 list db directory
System Database Directory
Number of entries in the directory = 1
Database 1 entry:
Database alias = SAMPLE Database name = SAMPLE Local database directory = /home/db2inst1 Database release level = d.00 Comment = Directory entry type = Indirect Catalog database partition number = 0 Alternate server hostname = Alternate server port number =
启动实例 [db2inst1@dcm ~]$ db2start 07/09/2010 14:24:36 0 0 SQL1063N DB2START processing was successful. SQL1063N DB2START processing was successful.
q接到数据库 [db2inst1@dcm ~]$ db2 connect to sample
Database Connection Information
Database server = DB2/LINUX 9.7.1 SQL authorization ID = DB2INST1 Local database alias = SAMPLE
执行SQL [db2inst1@dcm ~]$ db2 db2 => select * from staff where dept=20
ID NAME DEPT JOB YEARS SALARY COMM ------ --------- ------ ----- ------ --------- --------- 10 Sanders 20 Mgr 7 98357.50 - 20 Pernal 20 Sales 8 78171.25 612.45 80 James 20 Clerk - 43504.60 128.20 190 Sneider 20 Clerk 8 34252.75 126.50
4 record(s) selected.
退?/font> db2 => quit DB20000I The QUIT command completed successfully.
]]>切换TEMP表空?/title>http://www.aygfsteel.com/Jcat/archive/2010/04/30/319765.htmlJcatJcatFri, 30 Apr 2010 03:05:00 GMThttp://www.aygfsteel.com/Jcat/archive/2010/04/30/319765.htmlhttp://www.aygfsteel.com/Jcat/comments/319765.htmlhttp://www.aygfsteel.com/Jcat/archive/2010/04/30/319765.html#Feedback0http://www.aygfsteel.com/Jcat/comments/commentRss/319765.htmlhttp://www.aygfsteel.com/Jcat/services/trackbacks/319765.htmlcreate temporary tablespace temp1 tempfile '/oracledatafile/temp01.dbf' SIZE 100m autoextend on next 100m maxsize 5000m;
]]>物化视图http://www.aygfsteel.com/Jcat/archive/2010/01/13/309251.htmlJcatJcatTue, 12 Jan 2010 16:04:00 GMThttp://www.aygfsteel.com/Jcat/archive/2010/01/13/309251.htmlhttp://www.aygfsteel.com/Jcat/comments/309251.htmlhttp://www.aygfsteel.com/Jcat/archive/2010/01/13/309251.html#Feedback2http://www.aygfsteel.com/Jcat/comments/commentRss/309251.htmlhttp://www.aygfsteel.com/Jcat/services/trackbacks/309251.html
1. 物化视图׃是物理真实存在的Q故可以创徏索引?
--为基表创建MLOG --创徏物化视图时应先创建存储的日志I间Q否则徏MV时报?br />--ORA-23413: table "SCOTT"."EMP" does not have a materialized view log
create materialized view log on scott.emp tablespace test /
--创徏物化视图 create materialized view test_mv tablespace test parallel (degree 4) build immediate refresh fast enable query rewrite as select * from scott.emp /
--查看一下结果,果然很符合物化视囄定义Q一个表+一个视?/font> SQL> select object_name, object_type from user_objects where object_name = 'TEST_MV'; OBJECT_NAME OBJECT_TYPE ----------- -------- TEST_MV TABLE TEST_MV MATERIALIZED VIEW