Introduction to a relational database
A list of customers and their accounts
A list of account types and the average balance in each type
A cross-table of the number of accounts by customer city and account type
A list of customers in a zip code that is specified dynamically
A list of customers in a zip code selected from a drop down list of valid zip codes
Query 1 -- A simple table linking multiple tables in the relational database
Query 2 -- A PivotTable from data in the relational database
Query 3 -- A PivotTable cross-tabulation using data in the relational database
Query 4 -- A parameterized query to list of customers in a zip code that is specified dynamically