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compiling

About the oracle database and compiling and linking.

This blogpost is about how the oracle database executable created or changed during installation and patching. I take linux for the examples, because that is the version that I am almost uniquely working with. I think the linux operating is where the vast majority of linux installations are installed on, and therefore an explanation with linux is helpful to most of the people.

The first thing to understand is the oracle executable is a dynamically linked executable. This is easy to see when you execute the ‘ldd’ utility against the oracle executable: