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  The Oracle 1Z0-149 exam covers a broad range of PL/SQL topics, including PL/SQL code design, error handling, collections, advanced data manipulation, and security. The exam also evaluates the knowledge of candidates related to database objects, such as tables, views, sequences, and triggers. Additionally, the exam tests the candidate's abilities to use PL/SQL to interact with external environments, such as web services and file systems.

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  Passing the Oracle 1z1-149 exam provides several benefits to professionals in the database technology field. It demonstrates a high level of expertise and knowledge in PL/SQL programming and Oracle Database 19c, which can lead to career advancement and higher salaries. It also validates the candidate's skills and knowledge to potential employers, making them more marketable in the job market.

  Earning the Oracle PL/SQL Developer Certified Associate (OCA) certification can help professionals demonstrate their expertise and advance their careers in the field of database development and administration. With this certification, professionals can showcase their ability to design, develop, and manage PL/SQL programs and applications, and can prove their value to potential employers or clients.

  Oracle Database 19c: Program with PL/SQL Sample Questions (Q28-Q33):

  NEW QUESTION # 28
  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 Authid Definer is missing from MYPROC.
  • C. It executes successfully.
  • D. It results in an error because USERB doesn't have select privilege on USERA.EMP.

  Answer: C

  
  

  NEW QUESTION # 29
  Which three are true about the NOCOPY hint, the PARALLEL ENABLE hint, and the DETERMINISTIC clause? (Choose three.)

  • A. The NOCOPY hint asks the compiler to pass the actual parameters by value.
  • B. A function defined with the PARALLEL_ENABLE clause may be executed in parallel in a SELECT statement or a subquery in a DML statement.
  • C. A deterministic function's results always depend on the state of session variables.
  • D. The PARALLEL_ENABLE clause can be specified for a nested function.
  • E. The NOCOPY hint asks the compiler to pass the actual parameters by reference.
  • F. A function is deterministic if it always returns the same result for a specific combination of input values.
  • G. The PARALLEL_ENABLE clause can be used only in the CREATE FUNCTION statement.

  Answer: B,E,F

  
  

  NEW QUESTION # 30
  Which two are true about named notations in a PL/SQL subprogram? (Choose two.)

  • A. Any optional parameters can be omitted in the invocation call.
  • B. Only trailing optional parameters can be omitted in the invocation call.
  • C. The subprogram invocations must be changed when the formal parameter list acquires new required parameters.
  • D. Specifying actual parameters in the wrong order results in the subprogram terminating with an exception.
  • E. The actual parameters must be specified in the same order as the formal parameters are declared.

  Answer: A,E

  
  

  NEW QUESTION # 31
  In one of your databases, table HR.EMPLOYEES includes the columns FIRST_NAME and EMPLOYEE_ID.
  A row exists with EMPLOYEE_ID 201.
  Examine these packages created by user HR:
  
  EXECUTE privilege is granted to user SH, on the HR.API and HR.HELPER packages.
  Which two will execute successfully? (Choose two.)

  • A. Call HR.HELPER.H1 from the HR schema.
  • B. Call HR.HELPER.H1 from the SH schema.
  • C. Create and call a package procedure API.H1 in the SH schema, which calls HR.HELPER.H1.
  • D. Call HR.API.P1 from the HR schema.
  • E. Call HR.API.P1 from the SH schema.

  Answer: B,E

  
  

  NEW QUESTION # 32
  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 3
  • B. line 2
  • C. line 7
  • D. line 8
  • E. line 1
  • F. line 6

  Answer: E,F

  
  

  NEW QUESTION # 33
  ......

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