2. Database Overview What is a database? What types of databases are there? How are databases more powerful than spreadsheets?

3. What is a database? A collection of related data Consists of tables of data Tables consist of rows Rows consist of fields

4. What is a database? Databases store data Database software makes use of the data –You can ensure data integrity –You can write reports –You can do queries (SQL)

5. What types of databases are there? HierarchicalRelational Table1 Child Table3 Table2 Parent Table4

6. How is a database more powerful than a spreadsheet? Forms can be used to input data Data integrity is easier to maintain Report writing is a powerful tool Data storage can be optimized More power requires more training