NCSC O*NET Database Directory
The NCSC maintains O*NET databases taken from several versions of the classification:
- Development: (Version 13.0) The National O*NET Center releases a development version of an O*NET database several months before it goes into production in the center's and others' online systems.
- Production: (Version 12.0): This version of the database is currently used in O*NET Online and other Internet information delivery applications.
- Legacy: (Version 4.0) This is the last version of the O*NET database that contained only analyst data. Each subsequent version contains an increasing level of information from the O*NET Data Collection Program.