The screenshot shows the maintenance actions to perform for a production system and the proposed quarterly schedule for each action. The image is a table. The software update plan depicted is as follows, based on yearly quarters:

• Update to next Exadata sustaining release: Y1Q2, Y1Q3, Y1Q4, Y2Q1, Y2Q3, Y2Q4, Y3Q1, Y3Q2, Y3Q4, Y4Q1, Y4Q2, Y4Q3, Y5Q1
• Update to next Exadata feature release: Y1Q1, Y2Q2, Y3Q3, Y4Q4
• Update to next Database Proactive Bundle Patch: Y1Q1, Y1Q3, Y1Q4, Y2Q1, Y2Q2, Y2Q3, Y2Q4, Y3Q1, Y3Q2, Y3Q3, Y3Q4, Y4Q1, Y4Q3, Y4Q4, Y5Q1
• Update to next Database patch set release: Y4Q2
• Update to next Database major or maintenance release: Y1Q2