ORACLE10G Certified Associate (OCA) is certified by Oracle's database Assistant engineer, also known as Oracle Technology entry-level professional certificate, with OCA certification that you have the basics of getting started with large Oracle database management.
Oracle OC
-hold-a Master certification in oracle9i Database, simply upgrade your Oracle certified Professional CR Edential to Oracle Database 11g or Oracle database 12c and your earlier Master certification would remain active.If a retired expert credential, upgrading to a later version of that expert credential would keep only the earlier Expert credential (s) active.What
Oracle
[Oracle] History of the Oracle ――oracle company legend
Author: fenng
Date: Sep 09 2004
The origins of Oracle Company
It is hard to imagine the Oracle Company's saga starting with IBM.
1970 June, IBM researcher Edgar Caut
Oracle is the leader in database vendors. Oracle in the Future database application development direction of the modern relational database market occupies 39.8% of the market share, in the "Fortune 100" enterprises market share of up to 51%, has become undisputed enterprise-class database products preferred. As Oracle's flagship product, Oracle9i is the industry's first complete, simple new generation of
Tags: http io ar using SP for on file dataThe problem to the machine environment:Oracle 11gR2 64bitNavicat for Oracle 11.0.10According to the practices of some of the great gods on the internet and some of the personal speculations, the following are summarized:The problem occurs because the navicat is inconsistent with the number of bits of Oracle, the former 32bit, the latter 64bitSome of the online pract
Oracle learning path (5) ----- General oracle data type operations, oracle ----- oracle1. Some common Operators
Operator
Meaning
=
Equal
Not equal
Less
>
Greater
Less than or equal
> =
Greater than or equal
+
Plus sign
-
Minus sign
Original: http://blog.csdn.net/robinson_0612/archive/2010/04/26/5529239.aspx
-- ===================================================== ===
-- Oracle instance and Oracle Database (Oracle Architecture)
-- ===================================================== ===
/*
For those who are new to Oracle databases, the two conce
Resume oracle.sh in/etc/profile.d/
The contents are as follows in Nls_lang setup encoding
1 oracle_home=/usr/lib/oracle/12.1/client642 c_include_path=/usr/include/ oracle/12.1/client643 ld_library_path= $ORACLE _home/lib4# RememberThis was the client Nls_lang not the server one5 nls_lang=6 Export Oracle_ho ME Ld_library_path Nls_lang
Then modify the/ETC/INIT.D
, starting at m and intercepting N characters consecutively.---need to note: The database subscript is starting from 1!!!---n is truncated to the end of the current string if the number that is not specified or specified exceeds the actual character length that can be intercepted. n is the length.---if M is negative, it is intercepted from the countdown position. The number at the end cannot be negative.SELECT SUBSTR (' thinking in from dual;--->inSELECT SUBSTR (' thinking in from dual;--->in---
to Oracle Video 4th lecture (total 31 words)http://down.51cto.com/data/247536Oracle DBA has helped you win a DBA position in HD PDF. Recommendedhttp://down.51cto.com/data/242400ORACLE11G Maintenance Training Courseware (Huawei internal textbook) recommendedhttp://down.51cto.com/data/301810Oracle Basics and fault location (Huawei Internal training PPT) recommendedhttp://down.51cto.com/data/232813Oracle Common fool question 1000 asked the classic compl
Oracle BASICS (9) Oracle architecture and oracle infrastructure
1. Oracle Architecture Overview:
Oracle architecture refers to the composition, working process and principle of the database, as well as the organization and management mechanism of data in the database. To und
Oracle 10g AND Oracle 11g manual database creation case -- Oracle 11g
System Environment:
Operating System: RedHat EL6
Oracle: Oracle 10g and Oracle 11g
Manual database creation is relatively easy to implement. In this case, we
Study of oracle lesson one, oraclelesson
Oracle learning Part 1
1. oracle Introduction
1.1 common database categories
Small databases: SQL server, access (Microsoft)
Medium-sized databases: mysql (from Sweden) and sybase (sybase from the United States)
Large Databases: informix (IBM), oracle (
recommended to intensive reading.
Oracle upgraded? How to quickly read Oracle's new features
Oracle Database New Features Guide
After each new version of Oracle release, look at Oracle Database New Features Guide for the latest feature, which can be read roughly without intensive reading.
1. Oracle Overview-Oracle Database, referred to as Oracle. Oracle (Oracle) is an object-relational database management system (ORDBMS) in the United States. Currently occupies a major share of the database market.-Oracle's history: 1977 Ellison and two friends, established R
Disclaimer: This article transfers from the network article, reproduced this article only for the personal collection, shares the knowledge, if has the infringement, please contact the blogger to delete.Original LeshamiOriginal address: http://blog.csdn.net/leshami/article/details/5529239--========================================== --oracle Instances and Oracle Databases (
Oracle Cluster Concepts and principles (ii)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review rev
Oracle 10g AND Oracle 11g manual database creation case -- Oracle 10g
System Environment:
Operating System: RedHat EL6
Oracle: Oracle 10g and Oracle 11g
Manual database creation is relatively easy to implement. In this case, we w
--==========================================--oracle Instances and Oracle Databases (Oracle architecture)--==========================================/*For the first contact with Oracle database, two concepts that are easily confused are Oracle instances and
Label:Oracle 11G RAC Database installation (eight)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This doc
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