Charts are a good way of displaying data. No one can doubt it. If you need to effectively present your reports to the boss, using information fetched from your database,
jQuery might provide a good and easy way to do it. You can actually use jQuery directly and follow the online tutorials you can find googling, or use some ready-made plugins. Here you can find some of those plugins.
This jQuery plugin generates sparklines (small inline charts) directly in the browser using data supplied either inline in the HTML, or via javascript.
Flot is a pure Javascript plotting library for jQuery. It produces graphical plots of arbitrary datasets on-the-fly client-side.
Uses
Google Chart Api and jQuery to create charts.
jqPlot is a plotting and charting plugin for the jQuery Javascript framework. jqPlot produces beautiful line, bar and pie charts with many features.
JSON data driven bar chart plug-in that creates a classable bar chart with flash style animation effects.