Primavera P6 is a database system that codes and records the logic networks on complex scopes of work. It records the agreed project contracts dates.

The combination of powerful critical path analysis and customizable coding structure makes Primavera P6 the most common engineering and construction planning and execution tool.
The result is that Primavera P6 is the preferred project management software used by over 75,000 companies worldwide to manage projects, programs, and portfolios.

The fact that the software is so common in the process and heavy industrial engineering means that the best paid and most experienced project planners tend to use Primavera P6.