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Oracle Database PL/SQL Developer Certified Professional Dumps 1Z0-149 Exam for Full Questions - Exam Study Guide

Obtaining the Oracle 1z1-149 certification can help professionals advance their careers by demonstrating their expertise in Oracle database programming. Oracle Database 19c: Program with PL/SQL certification can help individuals gain recognition from their peers and employers, and also increase their earning potential. Additionally, this certification can help professionals stay up-to-date with the latest advancements in Oracle technology and enhance their skills in PL/SQL programming.

 

NEW QUESTION # 34
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 USERB doesn't have select privilege on USERA.EMP.
• B. It results in an error because Authid Current_User is missing from MYPROC.
• C. It executes successfully.
• D. It results in an error because Authid Definer is missing from MYPROC.

Answer: C

NEW QUESTION # 35
Which three are true about the procedure overloading feature? (Choose three.)

• A. Each procedure must use positional notation to specify the corresponding actual parameters.
• B. Each procedure's formal parameters can differ in data type or name.
• C. Each procedure can be a standalone subprogram.
• D. Each procedure can be a nested subprogram.
• E. Each procedure must use named notation to specify the corresponding actual parameters.
• F. Each procedure can be a packaged subprogram.
• G. Each procedure's formal parameters must differ in name.

Answer: A,B,F

NEW QUESTION # 36
Examine this DECLARE section:

Which two lines are valid? (Choose two.)

• A. line 6
• B. line 3
• C. line 7
• D. line 4
• E. line 2
• F. line 5

Answer: E,F

NEW QUESTION # 37
User ORA41 executes these statements successfully:
Now, examine this statement which is executed successfully by user ORA61 after a successful login:
EXECUTE ora41.update_emp_proc(100,25000);
Which two are true? (Choose two.)

• A. The salary will be changed for employee 100 in the EMPLOYEES table owned by ORA41.
• B. The UPDATE privilege on ORA41.EMPLOYEES is not inherited by ORA61 through the procedure.
• C. ORA61 will have been granted the UPDATE privilege explicitly on ORA41.EMPLOYEES before executing the statement.
• D. No update happens even though the procedure executes successfully.
• E. The salary will be changed for employee 100 in the EMPLOYEES table owned by ORA61.

Answer: B,E

NEW QUESTION # 38
Which two are true about named notations in a PL/SQL subprogram? (Choose two.)

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

Answer: C,E

NEW QUESTION # 39
Which three statements are true about Implicit Cursor and Explicit Cursor? (Choose three.)

• A. %Isopen is always false in Explicit Cursor.
• B. Implicit cursor returns only one record.
• C. %Isopen is always false in Implicit Cursor.
• D. %Isopen, %Type, %Notfound, and %Found are the attributes of Explicit Cursor.
• E. Explicit cursor can return more than one record.
• F. %Isopen, %Rowcount, %Notfound, and %Found are the attributes of Explicit Cursor.
• G. %Isopen, %Rowtype, %Notfound, and %Found are the attributes of Explicit Cursor.

Answer: C,E,G

NEW QUESTION # 40
Which two statements are true about using the OR REPLACE clause when creating named subprograms? (Choose two.)

• A. Object privileges to execute a replaced function must be regranted to those users who had the privilege.
• B. A function definition can be modified without dropping and re-creating it.
• C. Function based indexes remain usable when replacing the function on which the index depends.
• D. This clause can be used only for procedures and functions.
• E. Object privileges to execute a replaced function are retained by those users who had the privileges.

Answer: B,E

NEW QUESTION # 41
Which two are true about packages? (Choose two.)

• A. Package specifications can be compiled without their bodies.
• B. A package definition must have a specification and body.
• C. Standalone subprograms that reference a package can be compiled only after both the package specification and body are compiled.
• D. Modifications to a packaged procedure's body automatically cause recompilation of subprograms that invoke the procedure.
• E. Variables and cursors defined in a package specification are visible to all subprograms in the same schema that has the package.

Answer: A,E

NEW QUESTION # 42
Which two statements are true about the RETURNING clause when used with DML? (Choose two.)

• A. The RETURNING INTO clause returns column values for rows affected by DML statements.
• B. The RETURNING INTO clause can be used with DML that affects multiple rows, if the BULK COLLECT clause is used.
• C. The RETURNING clause can be used for remote or parallel deletes.
• D. When using the RETURNING INTO clause, the data returned can be only single column or expression.
• E. The RETURNING INTO clause and bulk binds may not be used together.

Answer: B,C

NEW QUESTION # 43
For which three SYSTEM EVENTS can triggers be created? (Choose three.)

• A. DDL
• B. SHUTDOWN
• C. SERVERERROR
• D. AFTER AUDIT
• E. BEFORE ANALYZE
• F. BEFORE GRANT
• G. STARTUP

Answer: B,C,G

NEW QUESTION # 44
Which three statements are true about passing parameters to subprograms? (Choose three.)

• A. PL/SQL assigns values to actual parameters in subprograms with unhandled exceptions.
• B. The actual parameter must be a variable when calling a subprogram with an OUT parameter.
• C. IN parameters passed to subprograms act like constants, to which values cannot be assigned by the subprogram.
• D. OUT parameters returning values to calling subprograms act like constants in the called subprogram.
• E. IN parameters passed to subprograms act like variables, to which values can be assigned by the subprogram.
• F. Actual parameters corresponding to IN OUT formal parameters can be constants or expressions.
• G. IN OUT parameters pass initial values to subprograms and return values updated by subprograms to the caller.

Answer: B,C,G

NEW QUESTION # 45
Examine this DECLARE section:

Which line will cause an error upon execution?

• A. line 3
• B. line 2
• C. line 4
• D. line 6
• E. line 5

Answer: D

NEW QUESTION # 46
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 # 47
Examine these statements:

Which is true?

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

Answer: C

NEW QUESTION # 48
Examine this table definition in the SH schema.

A row with PDT_ID = 1 exists. Which two blocks of code will execute successfully by user SH and give the same output? (Choose two.)

• A.
• B.
• C.
• D.

Answer: B,D

NEW QUESTION # 49
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. You can use CBAC to attach database roles to a PL/SQL function or procedure only.
• C. 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.
• D. In a multitenant environment, the DELEGATE option of CBAC cannot be used.
• E. CBAC cannot be used to secure definer's rights.
• F. CBAC roles can be granted to a program unit only if they are directly granted to its owner.
• G. In CBAC, the ADMIN and DELEGATE options cannot both be granted to the same user.

Answer: A,F,G

NEW QUESTION # 50
Which two blocks of code display a numerical zero? (Choose two.)

• A.
• B.
• C.
• D.

Answer: A,C

NEW QUESTION # 51
......

Oracle 1Z0-149 certification exam covers a wide range of topics related to PL/SQL programming, including language fundamentals, control structures, error handling, collections, subprograms, triggers, and packages. 1Z0-149 exam also covers advanced concepts such as dynamic SQL, tuning and optimizing PL/SQL code, and securing PL/SQL code. Candidates who pass the exam demonstrate their proficiency in all of these areas, making them valuable assets to any organization that uses Oracle Database 19c.

 

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