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1z1-149 Exam Outline - Free PDF 1z1-149 - Oracle Database 19c:

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    Oracle Database 19c: Program with PL/SQL Sample Questions (Q17-Q22):

    NEW QUESTION # 17
    Examine this statement which is submitted for compilation:

    Which three are true? (Choose three.)

    • A. This is a PACKAGE specification. A PACKAGE BODY is needed to use this.
    • B. This is BODILESS PACKAGE. A PACKAGE BODY is not required to use this.
    • C. This will not compile successfully because the loan_amount variable is declared NOT NULL but lacks an initialization assignment.
    • D. This program unit will compile successfully.
    • E. Initialization of min_bal can be done while using this packaged constant in another program.
    • F. This will not compile successfully because the min_bal constant must be initialized.
    • G. Initialization of loan_amount can be done while using this packaged variable in another program.

    Answer: B,C,F


    NEW QUESTION # 18
    Which two blocks of code display a numerical zero? (Choose two.)

    • A.
    • B.
    • C.
    • D.

    Answer: A,B


    NEW QUESTION # 19
    Examine the structure of the ora1.depts table:

    Now, examine these statements issued by user ora1 which execute successfully:
    Create or replace view dep_vu as select * from depts;
    Alter table depts add dep_email 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. DEP_VU must be manually recompiled to successfully run this code.
    • D. It will run successfully producing a result of 4.

    Answer: D


    NEW QUESTION # 20
    Sequence S and table PRODUCTS exist in your schema.
    Examine the table description:

    Now, examine this block of code:

    Which two lines each result in a compilation error? (Choose two.)

    • A. line 8
    • B. line 3
    • C. line 1
    • D. line 6
    • E. line 2
    • F. line 7

    Answer: C,D


    NEW QUESTION # 21
    Which two are true about Conditional Compilation in PL/SQL using $IF, $ELSE, $END, and $ERROR? (Choose two.)

    • A. The PL/SQL compiler can conditionally include selected parts of a program.
    • B. PL/SQL code can be compiled and executed based on different versions of the operating system.
    • C. PL/SQL code can be compiled and executed based on different versions of Oracle.
    • D. It is newer syntax that works the same way as 'IF , ELSEIF , ELSE, and END IF'.
    • E. Conditional compilation is disabled by default.

    Answer: A,C


    NEW QUESTION # 22
    ......

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