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1z0-149 Exam Dumps : Oracle Database 19c: Program with PL/SQL

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Oracle Database 19c: Program with PL/SQL Questions and Answers

Question 1

Which three are true about functions and procedures? (Choose three.)

Options:

A.

The ACCESSIBLE BY clause can be used only for procedures.

B.

In a function, every execution path must lead to a RETURN statement.

C.

Both can have only constants as actual parameters for IN mode parameters.

D.

Both can be invoked from within SQL statements.

E.

In a procedure the RETURN statement cannot specify an expression.

F.

In a function every RETURN statement must specify an expression.

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Question 2

Which three are valid PL/SQL variable names? (Choose three.)

Options:

A.

printer_name#

B.

1to7number

C.

yesterday's_date

D.

leap$year

E.

Number_of_days_between_March_and_April

F.

#printer_name

G.

v_fname

Question 3

Which two are true about using the ACCESSIBLE BY clause? (Choose two.)

Options:

A.

It can be used in the declaration of object types.

B.

It must be specified in the heading of a package specification.

C.

The check is enforced by this clause for direct access and access through dynamic SQL.

D.

It can be used for individual procedures and functions declared in a package specification.

E.

It must be specified in the heading of a package body.