Levels of the System (1/3)

•Level 1 – Data: Connect to database, run query, retrieve rows, update, add record, delete record •Level 1 – User Interface: Write text and data of various types to the screen, accept typed input, selected input (drop down lists and radio buttons), submit commands (save, cancel, other action), and links (navigation) •Level 2: Run queries and display results in a table, run query and display single record in one or more columns on the screen