Please tell me, i will go with which exam 1z0-147 or 1z0-144?
i never worked on oracle higher then 10g, but my Senior says go with 1z0-144.
1Z0-144 is the better test. I wrote an article comparing the two and explaining why I recommend taking 144 here:
Oracle PL/SQL Developer Certification: 1Z0-147 or 1Z0-144?