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Oracle 1z1-149 certification exam consists of 70 multiple-choice questions that must be completed within 105 minutes. 1z1-149 exam covers a range of topics, including PL/SQL programming fundamentals, SQL statements, program control, error handling, and database interactions. Candidates are expected to have a thorough understanding of PL/SQL programming concepts, as well as the ability to use various tools and techniques to develop, test, and troubleshoot PL/SQL code.
Oracle Database 19c: Program with PL/SQL Sample Questions (Q43-Q48):
NEW QUESTION # 43
Which three are true about PL/SQL subprograms? (Choose three.)
- A. Subprograms are cached by default and shared among users, thereby reducing memory requirements.
- B. 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.
- C. Host variables can be referenced inside any PL/SQL subprogram.
- D. Reuse of parsed PL/SQL code from the shared SQL area reduces parsing overhead.
- E. Results of a subprogram can be cached in the SGA such that sessions connected to the same instance can reuse these results when available.
- F. A subprogram’s session state is retained even if any of the session’s instantiated subprograms are invalidated and revalidated.
- G. A PL/SQL procedure can invoke an external code block written in a different programming language.
Answer: A,D,G
NEW QUESTION # 44
Which two are true about packages? (Choose two.)
- A. Modifications to a packaged procedure’s body automatically cause recompilation of subprograms that invoke the procedure.
- B. Package specifications can be compiled without their bodies.
- C. Variables and cursors defined in a package specification are visible to all subprograms in the same schema that has the package.
- D. A package definition must have a specification and body.
- E. Standalone subprograms that reference a package can be compiled only after both the package specification and body are compiled.
Answer: B,C
NEW QUESTION # 45
The SH schema contains the PRODUCTS table with column PDT_NAME defined as VARCHAR2(10).
Which two blocks of code execute successfully when invoked by user SH? (Choose two.)
- A.
- B.
- C.
- D.
- E.
Answer: A,B
NEW QUESTION # 46
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.API.P1 from the HR schema.
- B. Create and call a package procedure API.H1 in the SH schema, which calls HR.HELPER.H1.
- C. Call HR.API.P1 from the SH schema.
- D. Call HR.HELPER.H1 from the SH schema.
- E. Call HR.HELPER.H1 from the HR schema.
Answer: C,D
NEW QUESTION # 47
Examine this statement which executes successfully:
SQL> SET SERVEROUTPUT ON;
Now, examine this code which is executed:
What is true about the result?
- A. It executes and displays output.
- B. It returns an error in line 4.
- C. It returns an error in line 2.
- D. It returns an error in line 9.
Answer: B
NEW QUESTION # 48
……
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