Best Oracle 1Z0-149 Exam Practice Material Updated on Nov 04, 2023
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Oracle 1Z0-149 Certification Exam is an exam for beginners who are seeking certification. This exam has been designed for the candidates, who want to get certified as database developers. The candidates should have good knowledge of SQL, PL/SQL, and ODP. These exams will help you in taking up a job, which is related to the database. In this article, we are going to discuss all the topics that are required for the preparation of the Oracle Database Program with the PL/SQL exam. The number of resources including 1Z0-149 exam dumps will also be discussed. You can consider all of these sources for the preparation of the Oracle Certification Exam. Information about the 1Z0-149 Certification Exam, like exam duration, passing marks, and the exam format will also be discussed in this article. You can also find out more about the test structure along with sample questions. So, don't take up a lot of your time, and let's start learning for success.
Oracle 1Z0-149 (Oracle Database 19c: Program with PL/SQL) Certification Exam is a certification that validates a candidate's skill and knowledge in programming with PL/SQL in the Oracle Database 19c environment. 1Z0-149 exam is designed for developers who have a strong foundation in SQL and want to enhance their expertise in programming with PL/SQL. Oracle Database 19c: Program with PL/SQL certification exam covers a broad range of topics, including creating and managing program units, error handling, and using collections and records.
NEW QUESTION # 13
Which is true about EXIT and CONTINUE statements?
- A. They can be used in any type of loop.
- B. They must have a WHEN condition.
- C. They have the same effect on the execution of a loop.
- D. They must use labels.
Answer: A
NEW QUESTION # 14
SERVEROUTPUT is enabled.
Which is the correct method to use a PACKAGED CONSTANT in SELECT statements?
- A.
- B.
- C.
- D.
Answer: A
NEW QUESTION # 15
Examine this anonymous block of code:
Which two statements are true about the results of executing it? (Choose two.)
- A. It will always automatically initialize v_raise.
- B. It will always return a compile time error because it lacks an EXCEPTION section.
- C. It will set all salaries to NULL if it executes successfully.
- D. It might return a run time error depending on who invokes it.
- E. It will always return a run time error because v_raise is not initialized.
- F. It will set all salaries to 0 if it executes successfully.
Answer: A,C
NEW QUESTION # 16
Which two are true about the PLSQL_CODE_TYPE parameter? (Choose two.)
- A. It can use the REUSE SETTINGS clause to recompile a program unit without changing to the current session settings.
- B. Changing the parameter setting automatically changes the setting for existing PL/SQL library units.
- C. The default value is NATIVE.
- D. If set to NATIVE, programs are stored in platform dependent machine code.
- E. If set to NATIVE, programs are stored in a PL/SQL bytecode format.
Answer: A,D
NEW QUESTION # 17
Examine this table in the SH schema:
User SH executes this code:
The program must terminate with a user-defined message and no rows displayed if more than one product's price is 1000.
With which option must "---placeholder" be replaced?
- A.
- B.
- C.
- D.
- E.
Answer: B
NEW QUESTION # 18
Which two are true about lexical units? (Choose two.)
- A. Spaces can be embedded in delimiters.
- B. Identifiers include labels.
- C. All user-defined identifiers must start with an alphabet.
- D. A character literal with zero characters has the BOOLEAN value NULL.
- E. Character literals are case-sensitive.
Answer: C,E
NEW QUESTION # 19
Which three are true about functions and procedures? (Choose three.)
- A. The ACCESSIBLE BY clause can be used only for procedures.
- B. Both can have only constants as actual parameters for IN mode parameters.
- C. In a function, every execution path must lead to a RETURN statement.
- D. In a function every RETURN statement must specify an expression.
- E. In a procedure the RETURN statement cannot specify an expression.
- F. Both can be invoked from within SQL statements.
Answer: C,D,E
NEW QUESTION # 20
Examine the SH.PRODUCTS table:
A row exists in SH.PRODUCTS with PDT_ID = 1.
Now, examine this code and output executed by SH:
Now, examine this block of code:
Which error message(s) does it display on execution by user SH?
- A. Error in inner block
- B. Error in inner block Error in calling block
- C. Error in inner block Error in outer block
- D. Error in inner block Error in outer block Error in calling block
Answer: A
NEW QUESTION # 21
Examine these statements issued by user SH which execute successfully:
DBMS_OUTPUT.PUT_LINE(p_price(i)); END LOOP; END; END products_pkg; /
Now, examine this anonymous block executed by SH:
Which is true about the anonymous block?
- A. It will execute successfully only if PriceList is removed from the DECLARE section and defined as a standalone collection type.
- B. It will fail only at line 7.
- C. It will fail at lines 6 and 7.
- D. It will execute successfully only if PriceList is defined as an associative array in the package and anonymous block.
Answer: B
NEW QUESTION # 22
Which two are true about implicit data type conversion? (Choose two.)
- A. RAW data types are always implicitly converted to a CLOB when used in a query.
- B. Implicit data type conversion can negatively impact performance.
- C. ROWIDS are always implicitly converted to a number when used in a query.
- D. Collections can be implicitly converted to records.
- E. Comparison between character value and a number value always implicitly converts the character value to the number data type.
Answer: B,E
NEW QUESTION # 23
Which three statements can process a dynamic multi-row query? (Choose three.)
- A. OPEN-FOR
- B. CLOSE
- C. INTO
- D. DECLARE
- E. WHEN
- F. OPEN
- G. FETCH
Answer: A,B,G
NEW QUESTION # 24
Which is true about counter variables in a FOR loop?
- A. It must explicitly be declared.
- B. It is accessible outside the body of the loop.
- C. It can be modified in the body of the loop.
- D. It cannot be NULL.
Answer: D
NEW QUESTION # 25
Which two statements are true about using the OR REPLACE clause when creating named subprograms? (Choose two.)
- A. A function definition can be modified without dropping and re-creating it.
- B. This clause can be used only for procedures and functions.
- C. Object privileges to execute a replaced function must be regranted to those users who had the privilege.
- D. Object privileges to execute a replaced function are retained by those users who had the privileges.
- E. Function based indexes remain usable when replacing the function on which the index depends.
Answer: A,D
NEW QUESTION # 26
Which two blocks of code display a numerical zero? (Choose two.)
- A.
- B.
- C.
- D.
Answer: A,D
NEW QUESTION # 27
Which three statements are true about passing parameters to subprograms? (Choose three.)
- A. Actual parameters corresponding to IN OUT formal parameters can be constants or expressions.
- B. IN parameters passed to subprograms act like constants, to which values cannot be assigned by the subprogram.
- C. IN parameters passed to subprograms act like variables, to which values can be assigned by the subprogram.
- D. OUT parameters returning values to calling subprograms act like constants in the called subprogram.
- E. PL/SQL assigns values to actual parameters in subprograms with unhandled exceptions.
- F. The actual parameter must be a variable when calling a subprogram with an OUT parameter.
- G. IN OUT parameters pass initial values to subprograms and return values updated by subprograms to the caller.
Answer: B,F,G
NEW QUESTION # 28
SERVEROUTPUT is enabled.
Which code block will display the values from 1 to 10 in descending order?
- A.
- B.
- C.
- D.
Answer: A
NEW QUESTION # 29
Which three statements are true about Implicit Cursor and Explicit Cursor? (Choose three.)
- A. Explicit cursor can return more than one record.
- B. %Isopen, %Rowcount, %Notfound, and %Found are the attributes of Explicit Cursor.
- C. %Isopen, %Rowtype, %Notfound, and %Found are the attributes of Explicit Cursor.
- D. %Isopen is always false in Explicit Cursor.
- E. %Isopen, %Type, %Notfound, and %Found are the attributes of Explicit Cursor.
- F. Implicit cursor returns only one record.
- G. %Isopen is always false in Implicit Cursor.
Answer: A,C,G
NEW QUESTION # 30
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: C
NEW QUESTION # 31
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Oracle 1Z0-149 exam is designed for those who want to become a certified Oracle Database 19c PL/SQL Developer. Oracle Database 19c: Program with PL/SQL certification is ideal for professionals who are looking to enhance their database programming skills and to showcase their expertise in PL/SQL development. 1Z0-149 exam is comprehensive and covers a wide range of topics related to PL/SQL programming, including SQL statements, program control, and exception handling.
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