Oracle 1z1-149 Exam Dumps - PDF Questions and Testing Engine
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Oracle 1Z0-149 exam is a multiple-choice test that consists of 75 questions. The duration of the exam is two hours, and candidates need to score a minimum of 63% to pass. 1z1-149 exam can be taken at any authorized testing center or online, and the fee for the exam varies depending on the location.
Oracle 1Z0-149: Oracle Database 19c: Program with PL/SQL exam is an advanced-level certification exam offered by Oracle. 1z1-149 exam is designed for individuals who want to validate their skills in programming with PL/SQL in the Oracle Database 19c environment. 1z1-149 exam covers a wide range of topics, including PL/SQL program units, database triggers, collections and records, error handling, and more.
NEW QUESTION # 15
Which two are true about INDEX-BY tables? (Choose two.)
- A. The index can be integer or string.
- B. The index can be integer only.
- C. INDEX-BY table types can be created with the CREATE TYPE statement.
- D. INDEX-BY table types can be created in PL/SQL blocks only.
- E. INDEX-BY table types can be created both with the CREATE TYPE statement and in PL/SQL blocks.
Answer: A,D
NEW QUESTION # 16
Which two are true about implicit data type conversion? (Choose two.)
- A. Collections can be implicitly converted to records.
- B. RAW data types are always implicitly converted to a CLOB when used in a query.
- C. Comparison between character value and a number value always implicitly converts the character value to the number data type.
- D. Implicit data type conversion can negatively impact performance.
- E. ROWIDS are always implicitly converted to a number when used in a query.
Answer: C,D
NEW QUESTION # 17
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 Error in calling block
- B. Error in inner block Error in outer block Error in calling block
- C. Error in inner block
- D. Error in inner block Error in outer block
Answer: C
NEW QUESTION # 18
SERVEROUTPUT is enabled.
Which is the correct method to use a PACKAGED CONSTANT in SELECT statements?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION # 19
Which two are true about Conditional Compilation in PL/SQL using $IF, $ELSE, $END, and $ERROR? (Choose two.)
- A. The PL/SQL compiler can conditionally include selected parts of a program.
- B. Conditional compilation is disabled by default.
- C. PL/SQL code can be compiled and executed based on different versions of Oracle.
- D. PL/SQL code can be compiled and executed based on different versions of the operating system.
- E. It is newer syntax that works the same way as 'IF , ELSEIF , ELSE, and END IF'.
Answer: A,C
NEW QUESTION # 20
In which type of trigger can :OLD and :NEW identifiers be used?
- A. AFTER SUSPEND
- B. ROW
- C. AFTER STATEMENT
- D. BEFORE STATEMENT
Answer: B
NEW QUESTION # 21
Which three are true about the procedure overloading feature? (Choose three.)
- A. Each procedure's formal parameters can differ in data type or name.
- B. Each procedure must use positional notation to specify the corresponding actual parameters.
- C. Each procedure can be a packaged subprogram.
- D. Each procedure must use named 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,B,C
NEW QUESTION # 22
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,C
NEW QUESTION # 23
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 returns an error in line 9.
- B. It returns an error in line 2.
- C. It executes and displays output.
- D. It returns an error in line 4.
Answer: D
NEW QUESTION # 24
Which three statements are true about Implicit Cursor and Explicit Cursor? (Choose three.)
- A. %Isopen is always false in Implicit Cursor.
- B. %Isopen, %Rowcount, %Notfound, and %Found are the attributes of Explicit Cursor.
- C. Implicit cursor returns only one record.
- D. Explicit cursor can return more than one record.
- E. %Isopen is always false in Explicit Cursor.
- F. %Isopen, %Rowtype, %Notfound, and %Found are the attributes of Explicit Cursor.
- G. %Isopen, %Type, %Notfound, and %Found are the attributes of Explicit Cursor.
Answer: A,D,F
NEW QUESTION # 25
For which three SYSTEM EVENTS can triggers be created? (Choose three.)
- A. SERVERERROR
- B. BEFORE ANALYZE
- C. SHUTDOWN
- D. DDL
- E. BEFORE GRANT
- F. AFTER AUDIT
- G. STARTUP
Answer: A,C,G
NEW QUESTION # 26
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: A,D
NEW QUESTION # 27
Examine these statements from a block of code:
Which two are true? (Choose two.)
- A. The lock acquired when executing the OPEN c1 command will be released only after a COMMIT or ROLLBACK statement is issued.
- B. The FOR UPDATE OF clause can be used only if the WHERE CURRENT OF clause is used in the executable part of the block.
- C. The WHERE CURRENT OF clause can be used only if the FOR UPDATE clause is used in the cursor definition.
- D. An OPEN c1 command will acquire a lock only on the PRICE column in the PRODUCTS table.
- E. Only the PRICE column can be updated in the PRODUCTS table.
Answer: A,C
NEW QUESTION # 28
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. A severe compilation warning is generated.
- B. A performance compilation warning is generated.
- C. It fails compilation.
- D. There are no compilation warnings or errors.
- E. An information compilation warning is generated.
Answer: B
NEW QUESTION # 29
Examine this DECLARE section:
Which two lines are valid? (Choose two.)
- A. line 2
- B. line 3
- C. line 6
- D. line 4
- E. line 5
- F. line 7
Answer: A,E
NEW QUESTION # 30
Which code will successfully create a BODILESS PACKAGE to standardize CONSTANTS and EXCEPTIONS declarations?
- A.
- B.
- C.
- D.
Answer: B
NEW QUESTION # 31
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 # 32
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Reliable Oracle Database PL/SQL Developer Certified Professional 1z1-149 Dumps PDF Oct 29, 2023 Recently Updated Questions: https://passleader.bootcamppdf.com/1z1-149-exam-actual-tests.html