In Oedipus Rex, how does Scene 1 compare with the Prologue in presenting the character of Oedipus?

As Oedipus begins his search for the person responsible
for the misfortune of Thebes, there is tremendous dramatic irony as each of the
characters that come forth to present evidence are reluctant to do so, as they either
know or suspect what Oedipus has yet to discover - that he is searching for himself.
This demonstrates the change in Oedipus between the Prologue and Scene
1.

In the Prologue Oedipus is presented as a model
king:

Tell
me, and never doubt that I will help you

In every way I
can; I should be heartless

Were I not moved to find you
suppliant here.

Clearly
Oedipus shows that he is concerned, sympathetic, and eager to help his subjects. He
takes his position seriously and recognises that as King of Thebes he must take
responsibility for sorting out the problems that his kingdom and his people are facing.
Note how this opinion is reinforced by Oedipus's reference to his subjects as "Poor
children".

However, in Scene 1, we see that Oedipus, driven
by his desire to find out the identity of the killer of Laius, insists that Teiresias
reveal what he knows. The reluctance of Teiresias to share his knowledge drives Oedipus
to insult him:

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What a wicked old man you are! You'd try a
stone's

Patience! Out with it! Have you no feeling at
all?

He goes on to call
Teiresias "arrogant", "shameless", "worthless" and
finally:

You
sightless, witless, senseless, mad old
man!

Teiresias, who
ironically only wants to not hurt Oedipus by the truth, suffers the wrath of Oedipus for
wanting to help him. Oedipus is presented in a negative way as his thirst for the truth
is driving him to insult a respected prophet.

Therefore the
significant difference concerns Oedipus's presentation as the ideal king, who then moves
to insult and curse those who are reluctant to give him the information he is looking
for.