1. D ATABASE A DMINISTRATION ITEC 450 Fall 2012 Instructor: Dr. Rama Gudhe

2. I NTRODUCTION OF W EEK 1 Course overview Database technology DBA’s role and classifications DBA’s tasks DBA career path Fall 2012 2 ITEC 450

3. C OURSE M ODULES DBA techniques and practices Database installation and configuration: Database management Database tuning Metadata, tools, and data warehousing Fall 2012 3 ITEC 450

4. C OURSE O UTCOMES Database administration roles DBMS installation and physical database design Database connectivity (network), availability, and security Database backup and recovery Database performance monitoring and optimization Database administration hands-on experiences and best practices Fall 2012 4 ITEC 450

5. M ODULE 1 D ATABASE A DMINISTRATION T ECHNIQUES AND P RACTICES Section I Database Administrator

6. D ATABASE T ECHNOLOGY Database –organized store of data DBMS –database management system designed to create, store, and manage databases, normally including a Structured Query Language (SQL) application programming interface SQL –Standard query language to access database DDL -Commands to define or modify a database structure, including creating, altering, and dropping tables, indexes, constraints DML -Commands to modify and query database data Fall 2012 6 ITEC 450

7. A DVANTAGES OF DBMS Advantages of DBMS - Control of data redundancy- Economy of scale - Data consistency- Balance of conflicting requirements - More information from the same amount of data - Sharing of data- Improved data accessibility and responsiveness - Improved data integrity- Increased productivity - Improved security- Improved maintenance through data independence - Enforcement of standards- Increased concurrency - Improved backup and recovery services Disadvantages of DBMS - Complexity, Size, Cost of DBMSs, Additional H/W costs - Cost of conversion, Performance, Higher impact of a failure Fall 2012 7 ITEC 450

8. RDBMS T YPES AND V ENDORS RDBMS – DBMS that incorporates the relational data model. Major DBMS and dominated platforms Oracle –Unix and Linux DB2 (IBM) – zSeries and LUW SQL Server (Microsoft) – Windows Other DBMS: Teradata, Sybase, MySQL (Oracle), Access Winter 2012 8 ITEC 450

9. D ATABASE A DMINISTRATOR (DBA) The DBA is responsible for designing and maintaining an enterprise’s database A DBA ensures the ongoing operational functionality and efficiency of an organization's databases and applications. A good DBA needs to enjoy challenges and be a good problem solver System DBA (Production DBA) –DBMS focus, rather than business Focus on physical installation and performance monitoring Remote DBA Application DBA (Development DBA) –database design and ongoing support for a specific application An expert at writing and debugging complex SQL Understand the best ways to incorporate database requests into application programs Fall 2012 9 ITEC 450

10. D ATABASE A DMINISTRATION Database logical design and physical implementation Performance monitoring and tuning Database management and availability Database security and authorization Database backup and recovery Data integrity and loading Fall 2012 10 ITEC 450

11. D ATABASE A DMINISTRATION F UNCTIONS Selection of hardware and software Installing/upgrading DBMS Tuning database performance Improving query processing performance Managing data security, privacy, and integrity Data backup and recovery Fall 2012 11 ITEC 450

12. D ATA A DMINISTRATION F UNCTIONS Data policies, procedures, standards Planning Data conflict (ownership) resolution Internal marketing of DA concepts Managing the data repository Fall 2012 12 ITEC 450

13. DBA C AREER P ATH DBA Certification Oracle Certified Professional (OCP) Microsoft Certified Database Administrator (MCDBA) On-job development: Database developer -> DBA Small company to perform all roles Fall 2012 13 ITEC 450

14. A DDITIONAL L EARNING ON O RACLE Oracle – relational database Learning materials: Oracle Database Administrators Guide; Oracle Database 2 Day DBA Types of Oracle Database Users DBA, Data Administrators, Application Developers, Database users Common Oracle DBA Tasks Install, create db and users, backup, implement, tune Database Administrator Security and Privileges Operating system, database (sys, system) Fall 2012 14 ITEC 450