Database aDministration

Database Administration

Syllabus Books Attendance Grading WebCT

http://psuonline.pdx.edu/Use your PSU Odin account

DATABASE Applications

Oracle 10G (v10.2) Database server: SBALABS

Use for SQL and PL/SQL programming assignments

You will be assigned a user account Local database server on lab desktops

Use for DBA lab assignments SQL Developer Enterprise Manager Net configuration/management

DATABASE

Remote connection Oracle 10g client Service

SBALABS Host

IP Address (See install/config lab for details)

What you should know Basic SQL

INSERT, UPDATE and DELETE SELECT

WHERE ORDER BY GROUP BY/HAVING

Joins (2 or 3 tables) Basic DDL

CREATE, ALTER, DROP TABLE, etc

What you should know Referential Integrity

Primary and Foreign Keys NULL Know about:

Views Functions, procedures, triggers Indexes Transactions

WHAT WE WILL LEARN

1. Oracle Database Architecture2. Administration

• Basic DBA tasks• Backup and recovery• Storage management• Network management• Security management

1. PL/SQL programming2. Internet database technology*

*As time allows

ORACLE TIMELINE*

1970

IBM employeeE.F. Codd publishestheory of relational

databases

1974 1977 1980

IBM develops System R UC Berkeley develops Ingres Neither becomes commercial before Oracle

Oracle is foundedby Larry Ellison,

Bob Miner and Ed OatesOriginally named SDL

1978 1979

Name changed to RSI

First commercialrelational database

is shipped!

Name changed to Oracle

* Sources: http://math.hws.edu/vaughn/cpsc/343/2003/history.html http://www.oracle.com/corporate/history.html

ORACLE TIMELINE

1980

Version 3.0on minicomputers

written in C

1984 1987 1990

Version 4.0PC version

Read consistency

Oracle beginsdevelopment of

Oracle Financialssoftware

1988 1989

Version 5.0Distributed database

Client/server

Version 6.0PL/SQL

Oracle Financialsreleased

Version 6.2Parallel Server

1981 1982 1983

IBM releases DB2

1985 1986

ORACLE TIMELINE

1990

Version 7.0 on UnixVery Large Databases

(VLDB)

1994 1997 2000

Network PC

1998 1999

Version 8.0,named Oracle8,

Released64-bit

Linux

1991 1992 1993

$1 billion in sales

1995 1996

Oralce ApplicationsERP, Supply Chain,Manufacturing, etc..

Oracle becomes#1 databasecompany forinternet and

ERP

Oracle 8iJavaOAS

ORACLE TIMELINE

2000

Oracle 9iRelease 2

2004

Oracle 10g

2001 2002 2003

Oracle 9i Release 1Internet Application

Server (IAS)

Oracle Documentation

All Oracle documentation is available online http://www.oracle.com/pls/db102/homepage

Useful documents for this class* Oracle Database Concepts Database Administrator’s Guide SQL Reference PL/SQL User Guide an Reference

* There are more than 200 Oracle documentation manuals

DATABASE ADMINISTRATOR

What is a DBA? Database Administrator Default Blame Accepter?

What does a DBA do?

DATABASE ADMINISTRATOR DBA tasks:

Database Design and Planning Database Installation and Upgrade Backup and Recovery Storage Management Security Management Network Administration Performance Tuning On-call Emergency Crisis Management

DATABASE DESIGN AND PLANNING

Capacity planning Number and speed of CPU Memory Disk space Size and distribution of data files

Network Firewall Concurrancy Distributed databases

Database parameters Sizing and resource allocation

Standby and test databases

DATABASE INSTALLATION AND UPGRADE

What products to install Configuring the operating system

memory parameters Oracle account filesystem

Installing/configuring database and web servers

Installing client software Planning and performing upgrades

BACKUP AND RECOVERY Develop backup and recovery plan Implement backup procedures Test recovery plans Schedule exports and other special-

needs backups

STORAGE MANAGEMENT

Ensure enough disk space and data files for growth

Monitor growth Schedule database reorganizations

SECURITY MANAGEMENT Create database user accounts and

roles Grant and revoke privileges Maintain operating system security Network security

firewall Web server security Encryption

NETWORK ADMINISTRATION

Server network configuration Client network configuration Distributed database configuration Managing connection capacity

PERFORMANCE TUNING Monitor performance

response time resource contention

CPU Memory Disk Network

Adjust database parameters accordingly

Assist in SQL statement tuning

ON-CALL CRISIS MANAGEMENT Anticipate emergencies and take

preventative measures Respond to pager at 3am Keep a cool head Call Oracle for support Minimize damage Minimize downtime