Gavin Payne Oracle for SQL Server DBAs

Why Oracle? Installation Physical Storage Backup and Recovery 20 slides in 50 minutes Inside the database Programmability Tools Next Steps Q&A Agenda

Gavin Payne Solution Architect 3.5 years SQL Server DBA 10 years inc Oracle DBA 2 years SQL Bits 7 SQL Server User Group SQL Social Bloghttp://blog.gavinpayneuk.com About Me

Today I am not going to: tell you Oracle is better than SQL Server tell you SQL Server is better than Oracle This is a Level 100 session for newcomers to Oracle: Oracle is a massive product, even the basics Set your expectations appropriately! Introduction

Very successful product Lion’s share of the market (think Unix not just Wintel) Massive legacy install base and still being deployed Some things only work or are stored with Oracle One day you will bump into one of those things Why Oracle?

Oracle runs on many platforms: HP-UXPA-RISC AIXPowerPC SolarisSparc Linux x86/x64/Itanium Windowsx86/x64/Itanium Traditionally a very Unix/Linux focussed product But today Windows is just as common, if not more Platforms

Download from oracle.com – free dev downloads Oracle Universal Installer – product setup wizard DBCA – database (instance) setup wizard Installation Tools

You can use a virtual machine – I’m using Windows 2008 R2 on Hyper-V More resource hungry than SQL Server – memory, IO, CPU, in that order Just accepting the defaults is fine Installation Tips

Browser based administration tool Focuses on platform and schema control rather than data Primarily of DBA, not developer, interest Compared to SSMS it’s pretty shocking Portability over functionality Not all functionality is free! Demo Oracle Enterprise Manager

Oracle Database Components Database writer Log writer Checkpoint Sys Mon Process Mon Archiver Job Queue

Oracle’s Physical Files

Oracle’s Logical Hierarchy

Oracle Recovery Mechanism

Archivelog mode Equivalent to Full recovery mode Writes and then empties the changes in an inactive redo log to an operating system disk file transaction log backup Key to performing point in time recoveries And online backups! Backup and Recovery

Oracle’s Recovery Manager Command line backup and cataloguing manager Equivalent of T-SQL Backup and Restore Production DBA’s best friend Highly comprehensive scripting language DEMO RMAN

High Availability

Database Object Types Inside The Database Tables Relational Object XML Indexes Views Synonyms Sequences Packages Package Bodies Procedures Functions Triggers Java Classes Java Sources Program Object Types

Oracle supports 3 languages SQL PL/SQL Java PL/SQL is similar to C, although based on Ada Similar feature set to T-SQL 2005 onwards But not as friendly? Programmability

Key PL/SQL Differences with T-SQL desc object_name; Select sysdate from dual; Select seq_name.nextval from dual; Procedures cannot return data! Programmability

Tools Oracle Tools Enterprise Manager SQL*Plus JDeveloper 3 rd Party Tools Quest Toad Red Gate DEMO

Download and install, get to the Enterprise Mgr page Decide what you want to learn more about next? What we didn’t cover: Networking and Listeners Security Memory management Dynamic and Flash storage PL/SQL Next Steps

Oracle 2-day DBA Guide (download) Oracle – A Beginner’s Guide (Oracle Press) Oracle for SQL Server DBAs (Oracle Press) Nov 2010 Reading Material

Q & A