February 11, 1999

Using SQL Aggregate Functions Is Efficient

All SQL-compliant systems, including Microsoft JET SQL, have a set of functions to return computed results of numeric data stored in a column. All the aggregate functions create effects that

Displaying a List of Checkboxes

All of the aggregate components in Swing–that is, components made up other components, such as JTable, JTree, or JComboBox–can be highly customized. For example, a JTable component normally displays a

Listing All Environment Variables

Environment variables are useful for gathering data about a client’s system settings, but different servers have different environment variables available to them. To find out what environment variables are available