Database Administration ISQA 436 Winter 2004 Mark Freeman markf@pdx.edu

Database Administration ISQA 436 Syllabus Books Attendance Grading WebCT http://ce6hosting.webct.com/ Website http://web.pdx.edu/~markf/sba/isqa436

DATABASE Applications Oracle 9i (v9.2.0.1.0) Database server: SBALABS You will be assigned a user account which you will create SQL*Plus and SQL*Plus Worksheet Enterprise Manager Net configuration/management

DATABASE Remote connection Oracle 9i client Service Host SBALABS IP Address (See install/config lab for details)

What you should know Basic SQL Basic DDL 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 NULL Know about: Primary and Foreign Keys NULL Know about: Views Functions, procedures, triggers Indexes Transactions

WHAT WE WILL LEARN Oracle Database Architecture Administration Backup and recovery Storage management Network management Security management PL/SQL programming Internet database technology* *As time allows

ORACLE TIMELINE* IBM employee E.F. Codd publishes theory of relational databases Oracle is founded by Larry Ellison, Bob Miner and Ed Oates Originally named SDL First commercial relational database is shipped! 1970 1974 1977 1978 1979 1980 Name changed to RSI Name changed to Oracle IBM develops System R UC Berkeley develops Ingres Neither becomes commercial before Oracle * Sources: http://math.hws.edu/vaughn/cpsc/343/2003/history.html http://www.oracle.com/corporate/history.html

ORACLE TIMELINE Oracle begins development of Oracle Financials software Version 6.0 PL/SQL Oracle Financials released Version 3.0 on minicomputers written in C Version 6.2 Parallel Server 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 IBM releases DB2 Version 4.0 PC version Read consistency Version 5.0 Distributed database Client/server

ORACLE TIMELINE Oracle becomes #1 database company for internet and ERP Oralce Applications ERP, Supply Chain, Manufacturing, etc.. Version 7.0 on Unix Very Large Databases (VLDB) Linux 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 $1 billion in sales Network PC Version 8.0, named Oracle8, Released 64-bit Oracle 8i Java OAS

ORACLE TIMELINE Oracle 9i Release 2 Oracle 10g 2000 2001 2002 2003 2004 Oracle 9i Release 1 Internet Application Server (IAS)

Important Oracle Resources Online documentation All of Oracle documentation is available online Internet: http://otn.oracle.com/documentation/index.html Requires a one-time registration, which is free SBA labs: Run N:\MapOracle.bat O:\Documentation

Important Oracle Resources Online documentation All of Oracle documentation is available online Internet: http://otn.oracle.com/documentation/index.html Requires a one-time registration, which is free SBA labs: O:\Documentation 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 acccount 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