Oracle是怎么工作的,摘自Oracle 9i的官方文档 The following example describes the most basic level of operations that Oracle performs. This illustrates an Oracle configuration where the user and associated server process are on separate machines (connected through a…

Chapter 2. The Structure of the Java Virtual Machine 内容列表 2.1. The class File Format (class文件的格式) 2.2. Data Types (数据类型) 2.3. Primitive Types and Values (原始数据类型和值) 2.3.1. Integral Types and Values 2.3.2. Floating-Point Types, Value Sets, and Values 2…

在ORACLE数据库中,表与表之间的SQL JOIN方式有多种(不仅表与表,还可以表与视图.物化视图等联结),官方的解释如下所示 A join is a query that combines rows from two or more tables, views, or materialized views. Oracle Database performs a join whenever multiple tables appear in the FROM clause of the que…

Solution for Error FRM-92095: Oracle Jnitiator version too low By Pan.Tian on 六月 04, 2013 Symtom: After logging into application, system pop up below error message: FRM-92095: Oracle JInitiator version too low. Please install version 1.1.8.2 or highe…

Refer to http://www.oracle.com/technetwork/tutorials/tutorials-1876574.html for detail. 一些内容复制到这儿 The G1 Garbage Collector The Garbage-First (G1) collector is a server-style garbage collector, targeted for multi-processor machines with large memories…

在PLSQL Developer选择Tools > Preferences > options > 下的如图所示:"Oracle Home" and "OCI Library" Oracle10g装在d:/oracle/ Oracle Home为d:/oracle/product/10.1.0 OCI Library为d:/oracle/product/10.1.0/Db_1/BIN/oci.dll 配置完以后重新启动PLSQL Developer…

转载:http://czmmiao.iteye.com/blog/1487568 并行(Parallel)和OLAP系统 并行的实现机制是:首先,Oracle会创建一个进程用于协调并行服务进程之间的信息传递,这个协调进程将需要操作的数据集(比如表的数据块)分割成很多部分,称为并行处理单元,然后并行协调进程给每个并行进程分配一个数据单元.比如有四个并行服务进程,他们就会同时处理各自分配的单元,当一个并行服务进程处理完毕后,协调进程就会给它们分配另外的单元,如此反复,直到表上的数据都处理完毕,最后协…

Entity Framework 6, database-first with Oracle 转载自http://csharp.today/entity-framework-6-database-first-with-oracle/ I spent a lot of time trying to find out how to implement Entity Framework 6 database-first scenario with Oracle database. It's not a…

#!/usr/bin/perl## PadBuster v0.3 - Automated script for performing Padding Oracle attacks# Brian Holyfield - Gotham Digital Science (labs@gdssecurity.com)## Credits to J.Rizzo and T.Duong for providing proof of concept web exploit# techniques and S.V…

This is a guest blog from Robin Moffatt. Robin Moffatt is Head of R&D (Europe) at Rittman Mead, and an Oracle ACE. His particular interests are analytics, systems architecture, administration, and performance optimization. This blog is also posted on…