1. Chapter 10 Database Management

2. How it Works

3. What is a Database?  Where do you find Databases?  What is a Database Manager?  Name some Databases: Doctor’s offices URG Employer/Employees Magazine Subscriptions Highway Patrol

4. Garbage In = Garbage Out  Data Integrity – What is it? Accurate Information Timely Information Organized Information Accessible Information Useful Information Cost-Effective Information

5. Data Hierarchy  Characters  Fields (Columns) Data Types  Text  Number  Yes/No (Check Box)  Date & Time  Memo  Records  Tables (Building blocks of databases)  Files (Databases)

6. Popular Databases

7. Cost Comparison

8. Sample Data Types

9. Sample Member File

10. Maintaining Data  Adding Records  Changing Records  Deleting Records  Validating Data

11. File Processing VS Databases  File Processing Data Redundancy Duplication Errors  Data Approach No redundancy or duplication Fewer errors More secure (only one file) Sharing Data is easier

12. Database Management Systems  Data Dictionary or repository Contains data for each file  File retrieval and maintenance  Uses SQL Query Language (SQL) Query by Example (QBE)  Creates Forms and Reports  Data Security, backup and recovery

14. Relational Databases

15. Object-Orientated Databaes  OODB  Multimedia database  Computer aided design (CAD)  Hypertext database  Web database

16. Multidimensional Databases  Known as a hypercube  Most common use Data warehouses

17. Web Databases

18.  PERSONAL  Last name  First name  Middle Initial  SS#  Gender  Address  City  State  Zip  Country  DOB  Ethnicity  StudentID  Housing  ACADEMIC  GPA  Major  Past Education  ACT  SAT  Credits Earned  Minor  StudentID

19. Database Administrators