Do you need help with a specific module like or SCM ?
The R12 file system changed significantly from 11i. It now features a dual file system (fs1 and fs2) to support (introduced in R12.2). $APPL_TOP: Contains the product directories and files. Oracle Apps R12 Technical Tutorial Pdf
Registering tables, sequences, and concurrent programs in the "Application Object Library" (AOL). Do you need help with a specific module like or SCM
Crucial for web-based UI work.