Database Administration ISQA 436 Fall 2006 Mark Freeman

Database Administration ISQA 436 Syllabus Books Attendance Grading WebCT 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 Architecture 2. Administration Basic DBA tasks Backup and recovery Storage management Network management Security management 3. PL/SQL programming 4. Internet database technology* *As time allows

ORACLE TIMELINE* 1970 IBM employee E.F. Codd publishes theory of relational databases IBM develops System R UC Berkeley develops Ingres Neither becomes commercial before Oracle Oracle is founded by Larry Ellison, Bob Miner and Ed Oates Originally named SDL Name changed to RSI First commercial relational database is shipped! Name changed to Oracle * Sources:

ORACLE TIMELINE 1980 Version 3.0 on minicomputers written in C Version 4.0 PC version Read consistency Oracle begins development of Oracle Financials software Version 5.0 Distributed database Client/server Version 6.0 PL/SQL Oracle Financials released Version 6.2 Parallel Server IBM releases DB

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

ORACLE TIMELINE 2000 Oracle 9i Release Oracle 10g Oracle 9i Release 1 Internet Application Server (IAS)

Oracle Documentation All Oracle documentation is available online 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