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Oracle 1z1-149 Exam consists of multiple-choice questions and requires candidates to have a solid understanding of PL/SQL concepts, programming techniques, and features. It covers a wide range of topics, including database design, SQL, data manipulation, control structures, functions, procedures, packages, and exception handling. Candidates must also demonstrate their ability to optimize and secure PL/SQL code, as well as their proficiency in using PL/SQL to interact with external programs and services.
Oracle 1z1-149 exam is an important certification exam for professionals who want to demonstrate their expertise in programming with PL/SQL. Passing the exam is a great way to demonstrate your skills and knowledge to potential employers, and it can help you stand out in a crowded job market. If you are interested in earning the Oracle Database 19c PL/SQL Developer Certified Professional certification, the Oracle 1z1-149 exam is an essential step on your journey.
NEW QUESTION # 29
For which three SYSTEM EVENTS can triggers be created? (Choose three.)
- A. STARTUP
- B. DDL
- C. AFTER AUDIT
- D. BEFORE ANALYZE
- E. BEFORE GRANT
- F. SHUTDOWN
- G. SERVERERROR
Answer: A,F,G
NEW QUESTION # 30
Examine this code:
ALTER SESSION SET plsql_warnings='ENABLE:ALL';
/
You compile this function:
What happens when the function is created with PLSQL_WARNINGS set to 'ENABLE: ALL'?
- A. An information compilation warning is generated.
- B. There are no compilation warnings or errors.
- C. A performance compilation warning is generated.
- D. A severe compilation warning is generated.
- E. It fails compilation.
Answer: C
NEW QUESTION # 31
Which three are true regarding code based access control (CBAC)? (Choose three.)
- A. You can use CBAC to attach database roles to a PL/SQL function, procedure, or package.
- B. CBAC roles can be granted to a program unit only if they are the predefined roles automatically defined by the standard scripts as part of database creation.
- C. CBAC cannot be used to secure definer's rights.
- D. In CBAC, the ADMIN and DELEGATE options cannot both be granted to the same user.
- E. CBAC roles can be granted to a program unit only if they are directly granted to its owner.
- F. In a multitenant environment, the DELEGATE option of CBAC cannot be used.
- G. You can use CBAC to attach database roles to a PL/SQL function or procedure only.
Answer: A,D,E
NEW QUESTION # 32
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 # 33
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 # 34
Which three are true about functions and procedures? (Choose three.)
- A. In a procedure the RETURN statement cannot specify an expression.
- B. Both can have only constants as actual parameters for IN mode parameters.
- C. In a function every RETURN statement must specify an expression.
- D. In a function, every execution path must lead to a RETURN statement.
- E. The ACCESSIBLE BY clause can be used only for procedures.
- F. Both can be invoked from within SQL statements.
Answer: A,C,D
NEW QUESTION # 35
Which three are true about the procedure overloading feature? (Choose three.)
- A. Each procedure can be a packaged subprogram.
- B. Each procedure must use named notation to specify the corresponding actual parameters.
- C. Each procedure's formal parameters can differ in data type or name.
- D. Each procedure must use positional notation to specify the corresponding actual parameters.
- E. Each procedure can be a standalone subprogram.
- F. Each procedure's formal parameters must differ in name.
- G. Each procedure can be a nested subprogram.
Answer: A,C,D
NEW QUESTION # 36
Which is true about counter variables in a FOR loop?
- A. It is accessible outside the body of the loop.
- B. It must explicitly be declared.
- C. It cannot be NULL.
- D. It can be modified in the body of the loop.
Answer: C
NEW QUESTION # 37
Which two are true about packages? (Choose two.)
- A. A package definition must have a specification and body.
- B. Standalone subprograms that reference a package can be compiled only after both the package specification and body are compiled.
- C. Modifications to a packaged procedure's body automatically cause recompilation of subprograms that invoke the procedure.
- D. Variables and cursors defined in a package specification are visible to all subprograms in the same schema that has the package.
- E. Package specifications can be compiled without their bodies.
Answer: D,E
NEW QUESTION # 38
Examine the EMPLOYEES table structure:
Now, examine this code:
Which statement is true about the result of executing this block?
- A. It will return an error at line 3.
- B. It will return an error at line 2.
- C. It will execute successfully provided the salary of EMP_ID 200 does not exceed the value 99999.
- D. It will return an error at line 8.
- E. It will execute successfully by rounding up the salary of EMP_ID 200 to the appropriate value.
Answer: C
NEW QUESTION # 39
Which three statements can process a dynamic multi-row query? (Choose three.)
- A. INTO
- B. WHEN
- C. OPEN
- D. OPEN-FOR
- E. FETCH
- F. DECLARE
- G. CLOSE
Answer: D,E,G
NEW QUESTION # 40
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 2
- C. line 3
- D. line 1
- E. line 6
- F. line 7
Answer: D,E
NEW QUESTION # 41
Examine this row of data from the EMPLOYEES table:
Now, examine this block of code which executes successfully:
What is the value of v_commission?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 42
Which two are valid MODIFIER values for the PLSQL_WARNINGS parameter? (Choose two.)
- A. ALL
- B. ENABLE
- C. ERROR
- D. SEVERE
- E. DISABLE
Answer: A,D
NEW QUESTION # 43
Which is true about EXIT and CONTINUE statements?
- A. They can be used in any type of loop.
- B. They have the same effect on the execution of a loop.
- C. They must use labels.
- D. They must have a WHEN condition.
Answer: A
NEW QUESTION # 44
In which type of trigger can :OLD and :NEW identifiers be used?
- A. ROW
- B. AFTER SUSPEND
- C. BEFORE STATEMENT
- D. AFTER STATEMENT
Answer: A
NEW QUESTION # 45
Which two are true about Conditional Compilation in PL/SQL using $IF, $ELSE, $END, and $ERROR? (Choose two.)
- A. PL/SQL code can be compiled and executed based on different versions of the operating system.
- B. Conditional compilation is disabled by default.
- C. It is newer syntax that works the same way as 'IF , ELSEIF , ELSE, and END IF'.
- D. The PL/SQL compiler can conditionally include selected parts of a program.
- E. PL/SQL code can be compiled and executed based on different versions of Oracle.
Answer: D,E
NEW QUESTION # 46
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 Definer is missing from MYPROC.
- B. It results in an error because Authid Current_User is missing from MYPROC.
- C. It results in an error because USERB doesn't have select privilege on USERA.EMP.
- D. It executes successfully.
Answer: D
NEW QUESTION # 47
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