0.51
≅
0.2 * (0.5 * 1 + 0.25 * 0 + 0.25 * 0) + 0.2 * (0.75 * 1 + 0.25 * 0) + 0.4 * (0.5 * 1 + 0.25 * 0 + 0.25 * 0) + 0.1 * (0.4 * 0 + 0.4 * 1 + 0.2 * 0) + 0.1 * (0.8 * 0 + 0.1 * 1 + 0.1 * 1)
0.2
Database administration
0.5
PostgreSQL administration
0.25
Oracle database administration
0.25
MySQL database administration
-
0.75
Linux Operating System
0.25
Windows Server Operating System
-
-
0.4
Google Cloud Platform
-
0.2
Heroku Cloud Application Platform
0.1
Version Control Systems
0.8
Git Version Control Systems
0.1
Mercurial Version Control Systems
0.1
Apache Subversion VCS