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11 篇文章

Oracle - ILM

ILM is mean Information Lifecycle Management. It's practice of applying policies for effective management of information throughout its useful life. Implemen…

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Oracle - Materialized View

A materialized view, or snapshot as they were previously known, is a table segment whose contents are periodically refreshed based on a query, either against…

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Oracle - Advanced Queue & Job

Advanced Queueing Oracle Advanced Queueing (AQ), AQ provides a message queuing infrastructure as integral part of the Oracle server engine. It provides an AP…

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Oracle - Instance - RAC, Memory - SGA, PGA

An Oracle database server consists of an Oracle database and an Oracle instance. Every time a database is started, a system global area (SGA) is allocated an…

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Oracle - Database Structure

Total four parts, Tablespaces, Datafiles, Database Blocks, Extents, Segments, Database Schema Objects and Database Logs

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Oracle - ASM(Automatic Storage Management)

Oracle ASM is a volume manager and a file system for Oracle database files that supports single-instance Oracle Database and Oracle Real Application Clusters…

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Oracle - How to Read a Query Plan

Goal: know how to generate and read a basic query plan. Understand key phrases, such as Full Table Scan and Nested Loops should jump out as red flags. Be abl…

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Oracle - Database Administrations

This part mainly talk about these points: Import and export of database Start and Stop database Starting and stopping Nodes in the RAC Manage available sessions

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