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Oracle Database PL/SQL Developer Certified Professional Oracle Database 19c: Program with PL/SQL

Oracle Database 19c: Program with PL/SQL

Last Update Nov 22, 2024
Total Questions : 65

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Questions 2

Examine this table definition in the SH schema.

Questions 2

A row with PDT_ID = 1 exists. Which two blocks of code will execute successfully by user SH and give the same output? (Choose two.)

Options:

A.  

Option A 2

B.  

Option B 2

C.  

Option C 2

D.  

Option D 2

Discussion 0
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Questions 3

Which is true about counter variables in a FOR loop?

Options:

A.  

It must explicitly be declared.

B.  

It can be modified in the body of the loop.

C.  

It cannot be NULL.

D.  

It is accessible outside the body of the loop.

Discussion 0
Questions 4

Which three statements are true about passing parameters to subprograms? (Choose three.)

Options:

A.  

PL/SQL assigns values to actual parameters in subprograms with unhandled exceptions.

B.  

IN parameters passed to subprograms act like constants, to which values cannot be assigned by the subprogram.

C.  

IN OUT parameters pass initial values to subprograms and return values updated by subprograms to the caller.

D.  

The actual parameter must be a variable when calling a subprogram with an OUT parameter.

E.  

IN parameters passed to subprograms act like variables, to which values can be assigned by the subprogram.

F.  

OUT parameters returning values to calling subprograms act like constants in the called subprogram.

G.  

Actual parameters corresponding to IN OUT formal parameters can be constants or expressions.

Discussion 0
Questions 5

Which two are true about implicit data type conversion? (Choose two.)

Options:

A.  

RAW data types are always implicitly converted to a CLOB when used in a query.

B.  

Collections can be implicitly converted to records.

C.  

ROWIDS are always implicitly converted to a number when used in a query.

D.  

Comparison between character value and a number value always implicitly converts the character value to the number data type.

E.  

Implicit data type conversion can negatively impact performance.

Discussion 0
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