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Oracle Database 19c: Program with PL/SQL Sample Questions (Q57-Q62):

NEW QUESTION # 57
Examine the structure of the ora1.depts table:

Now, examine these statements issued by user ora1 which execute successfully:
Create or replace view depvu as select * from depts;
Alter table depts add depemail varchar2(20);
Finally, examine this block of code executed by user ora1:

Which is true?

• A. It will run successfully producing a result of 5.
• B. It will result in an error because table depts has been altered.
• C. It will run successfully producing a result of 4.
• D. DEP_VU must be manually recompiled to successfully run this code.

Answer: C
NEW QUESTION # 58
Which two are true about using the ACCESSIBLE BY clause? (Choose two.)

• A. It can be used for individual procedures and functions declared in a package specification.
• B. The check is enforced by this clause for direct access and access through dynamic SQL.
• C. It must be specified in the heading of a package body.
• D. It can be used in the declaration of object types.
• E. It must be specified in the heading of a package specification.

Answer: A,D Explanation:
https://docs.oracle.com/database/122/LNPLS/ACCESSIBLE-BY-clause.htm
NEW QUESTION # 59
Which three SQL statements, embedded in PL/SQL, typically benefit from using variables declared with %ROWTYPE? (Choose three.)

• A. DELETE
• B. CREATE
• C. SELECT
• D. INSERT
• E. ALTER
• F. UPDATE
• G. DROP

Answer: C,D,F
NEW QUESTION # 60
Which three statements are true about passing parameters to subprograms? (Choose three.)

• A. IN parameters passed to subprograms act like constants, to which values cannot be assigned by the subprogram.
• B. OUT parameters returning values to calling subprograms act like constants in the called subprogram.
• C. The actual parameter must be a variable when calling a subprogram with an OUT parameter.
• D. PL/SQL assigns values to actual parameters in subprograms with unhandled exceptions.
• E. IN OUT parameters pass initial values to subprograms and return values updated by subprograms to the caller.
• F. Actual parameters corresponding to IN OUT formal parameters can be constants or expressions.
• G. IN parameters passed to subprograms act like variables, to which values can be assigned by the subprogram.

Answer: A,C,E
NEW QUESTION # 61
Examine this DECLARE section:

Which line will cause an error upon execution?

• A. line 2
• B. line 5
• C. line 3
• D. line 6
• E. line 4

Answer: D
NEW QUESTION # 62
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