The search for truth is more precious than its possession.
—Albert Einstein (1879–1955),The American Mathematical Monthly, v. 100, no. 3
Research is what I’m doing when I don’t know what I’m doing.
—Wernher von Braun. (1912–1977)
This chapter uses the application workspace and template created in Chapter 17 to build a search page that allows the user to find an employee by entering query conditions or by browsing a department hierarchy viewer. Both of these functions are commonly used interface paradigms. Searching for a record or set of records based on query criteria is an essential part of nearly all Online Transaction Processing (OLTP) applications. The hierarchy or tree allows the user to navigate ...