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OCP 1Z0-001 Practice Test
20 Free OCP Practice Questions from Whizlabs

Question 10

Suppose in the declaration section of a PL/SQL block, you create but do not initialize a NUMBER variable. What will be the initial value of the variable when the block is executed?

a.        0

b.       NULL

c.       Depends on the scale and precision of the datatype.

d.       Without initialization, a variable cannot be used in the executable section of the block.

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