SQL looks more affordable to me and administration a bit more though.I don't think that anyone would disagree with the statement that 1Z0-051 is a good bit easier than 1Z0-052, so I would definitely recommend taking it first. It will gain you familiarity with both Oracle and with the exam environment.
Do you think that a couple or three of months of study and practising on a daily basis would be enough for each exam?Trying to figure out how long it would take someone else to study for an Oracle certification exam is an exercise in futility. I don't know how fast you read. I don't know how good your reading comprehension is. I don't know how good of a test taker you are. These three things (and many others) can vastly change the amount of preparation time from one individual to another. I will say that I am a speed reader (although technical books slow me down a bit), with a high reading comprehension and I am very good at standardized tests of all kinds. That said, I generally allocate four to six weeks to study for a new certification. I wrote an article on this topic here: