SQLZOO vs Xfig
A side-by-side look at SQLZOO and Xfig. For an in-depth review of either product, follow the links below.
SQLZOO
Education & Reference
SQLZOO is a free online resource that helps users learn SQL concepts through interactive tutorials and exercises. It covers SQL syntax for a variety of database management systems.
sqldatabasetutorialsexercises
Xfig
Photos & Graphics
Xfig is an open-source vector graphics editor used to draw diagrams and figures. It supports objects like circles, boxes, lines, spline curves, text, etc. and can export to formats like PDF and PostScript. Common uses are drawing diagrams like flowcharts, UML diagrams, network maps, etc.
diagrammingflowchartsumlvector-graphicsopen-source