oracle Data Mining
Executive Overview
The Oracle Data Mining Option provides powerful data mining functionality within the Oracle Database. It enables you to discover new insights hidden in your data and to leverage your investment in Oracle Database technology. With Oracle Data Mining, you can build and apply predictive models that help you target your best customers, develop detailed customer profiles, and find and prevent fraud. Oracle Data Mining helps your company better compete on analytics.
In-Database Data Mining
With Oracle Data Mining, everything occurs in the Oracle Database—in a single, secure, scalable platform for advanced business intelligence. Oracle Data Mining represents a breakthrough in business intelligence. In contrast to traditional statistical software that requires data extraction to separate servers, which may be insecure and costly to maintain, Oracle Data Mining embeds a wide-range of mining functions inside the database—where the data is stored. Coupled with the power of SQL, Oracle Data Mining eliminates data movement and duplication, maintains security and minimizes latency time from raw data to valuable information.
Oracle Data Mining enables you to:
• Leverage your data to discover patterns and valuable new insights
• Build and apply predictive models and embed them into dashboards and applications
• Save money. Oracle Data Mining costs significantly less than traditional statistical software. As an integrated component of your Oracle IT platform, Oracle Data Mining significantly reduces your total cost of ownership.
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oracle表空间操作详解
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3作者: 来源: 更新日期:2006-01-04
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7建立表空间
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9CREATE TABLESPACE data01
10DATAFILE '/ora ......
查询及删除重复记录的SQL语句
1、查找表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断
select * from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
2、删除表中多余的重复记录,重复记录是根据 ......
转自:http://tech.it168.com/a2009/1023/788/000000788673.shtml
1、范围
本文讨论的是Oracle数据库提供的数据复制机制,所讨论的解决方案全部与平台无关。
2、介绍
复制是目标数据库与源数据库之间数据保持同步的一种机制,复制可以分成不同的类型,如:
2.1数据库内的复制
在这种情况下,一个 ......
1. 创建视图:
CREATE OR REPLACE VIEW SM_V_UNIT_AUTH AS
SELECT T2.UNIT_ID,
T2.SUPER_UNIT_ID,
T1.AUTH_ID,
T1.AUTH_NAME,
T1.A ......
DBMS_CHANGE_NOTIFICATION
对象(表)数据更新通知
DBMS_APPLICATION_INFO
设置/读取SESSION APPLICATION信息,操作V$SESSION_LONGOPS
DBMS_ALERT
告警
DBMS_DATAPUMP
数据迁移
DBMS_DB_VERSION
数据库版本定义
DBMS_DDL
Compiles、wrapped、Reorganizes 对象
DBMS_DEBUG
ORACLE DEPL/SQL debugger 工具
DB ......