Each of the 5 period-separated numbers in the release number is labeled as follows:

• The first number (9) is labeled "Major Oracle platform number"
• The second number (0) is labeled "Database maintenance release number"
• The third number (4) is labeled "Application server release number"
• The fourth number (1) is labeled "Component specific release number"
• The fifth number (0) is labeled "Platform specific release number"