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1z1-149 Official Study Guide - Test 1z1-149 Passing Score

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  Oracle Database 19c: Program with PL/SQL Sample Questions (Q42-Q47):

  NEW QUESTION # 42
  Examine these statements:
  
  Which is true?

  • A. It will result in a compilation error for protected_proc because calling_proc does not exist.
  • B. It will result in a compilation error for protected_proc because calling_proc must be prefixed with the schema name.
  • C. It will result in a successful compilation because objects referenced in an ACCESSIBLE BY clause are not checked at compile time.
  • D. With adequate privileges, PROTECTED_PROC procedure can be called by other programs apart from CALLING_PROC.

  Answer: A

  
  

  NEW QUESTION # 43
  Examine this statement which is submitted for compilation:
  
  Which three are true? (Choose three.)

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

  Answer: A,D,F

  
  

  NEW QUESTION # 44
  Examine these facts:
  Table EMP exists in schema USERA with columns SALARY and EMP_ID.
  EMP_ID is the primary key with values ranging from 1 to 100.
  USERA now executes these statements successfully:
  
  USERA then grants execute privilege on procedure MYPROC to USERB.
  USERB exists in the database identified by pdb1 but does not have select privilege on USERA.EMP.
  USERB now executes these statements:
  conn userB/userB@pdb1
  execute userA.myproc;
  Which is true?

  • A. It results in an error because Authid Current_User is missing from MYPROC.
  • B. It results in an error because USERB doesn't have select privilege on USERA.EMP.
  • C. It results in an error because Authid Definer is missing from MYPROC.
  • D. It executes successfully.

  Answer: D

  
  

  NEW QUESTION # 45
  Which two blocks of code display a numerical zero? (Choose two.)

  • A.
  • B.
  • C.
  • D.

  Answer: A,B

  
  

  NEW QUESTION # 46
  Which three are true about PL/SQL subprograms? (Choose three.)

  • A. Users granted execute privilege on a procedure compiled with definer's rights require grants to access objects belonging to the definer that are referenced in the procedure.
  • B. Subprograms are cached by default and shared among users, thereby reducing memory requirements.
  • C. Reuse of parsed PL/SQL code from the shared SQL area reduces parsing overhead.
  • D. Results of a subprogram can be cached in the SGA such that sessions connected to the same instance can reuse these results when available.
  • E. Host variables can be referenced inside any PL/SQL subprogram.
  • F. A PL/SQL procedure can invoke an external code block written in a different programming language.
  • G. A subprogram's session state is retained even if any of the session's instantiated subprograms are invalidated and revalidated.

  Answer: B,C,F

  
  

  NEW QUESTION # 47
  ......

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