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Oracle SQL and PL-SQL 1Z0-148 dumps easily improve skills, 1Z0-148 exam Practice Test

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We share the latest effective Oracle SQL and PL-SQL 1Z0-148 exam dumps online Practice test to improve your skills! You can also choose 1Z0-148 PDF or 1Z0-148 YouTube to learn! Get the full 1Z0-148 dumps: https://www.pass4itsure.com/1Z0-148.html (Q&As: 211) to pass the exam easily!

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Oracle Database: Advanced PL/SQL Certification Exam | 1Z0-148: https://education.oracle.com/oracle-database-advanced-pl-sql/pexam_1Z0-148

Oracle Database PL/SQL Developer Certified Professional

By becoming an Oracle Database PL/SQL Certified Professional, you will be ready to fully exploit the most advanced features of PL/SQL.From performance to maintainability to application code architecture, you will be able to provide guidance at a more strategic level, thereby offering much higher value to your company and the marketplace.

You will gain thorough knowledge of PL/SQL language, its architecture, features, interactions with the SQL engine, programming constructs and datatypes. Passing the exam validates your knowledge of subjects such as complex datatypes, dynamic cursors, external procedures, security features and considerations, and performance related features such as caching, parallel execution and profiling.

Prove fluency in and a solid understanding of the skills required to fully leverage PL/SQL as part of the foundation of any application built on top of Oracle Database.

Oracle SQL and PL-SQL Certifications: https://education.oracle.com/database/oracle-database/pFamily_32?certPage=true

Oracle list of Oracle SQL and PL-SQL exams: https://www.pass4itsure.com/oracle-database.html

Latest effective Oracle 1Z0-148 Exam Practice Tests

QUESTION 1

Which statement is correct about DBMS_LOB.SETOPTIONS and DBMS_LOB.GETOPTIONS for SecureFiles? 

A. DBMS_LOB.GETOPTIONS can only be used for BLOB data types. 

B. DBMS_LOB.SETOPTIONS can perform operations on individual SecureFiles but not an entire column. 

C. DBMS_LOB. SETOPTIONS can set option types COMPRESS, DUPLICATE, and ENCRYPT. 

D. If a table was not created with compression specified in the store as securefile clause then

DBMS_LOB.SETOPTIONS can be used to enable it later. 

Correct Answer: D 

 

QUESTION 2

In your schema, the DEPARTMENTS table contains the columns DEPARTMENT_ID and DEPARTMENT_NAME. 

You want to display the department name for existing department id 10. 

With SERVEROUTPUT enabled, which two blocks of code will give the required output? 

A. DECLARETYPE dept_cur IS REF CURSOR;cv1 dept_cur;v_dept_name departments.

department_name%TYPE;BEGINOPEN cv1 FOR SELECT department_name FROM departments WHERE

department_id=10;IF cv1 IS NOT NULL THENFETCH cv1 INTO v_dept_name;DBMS_OUTPUT.PUT_LINE

(v_dept_name);END IFCLOSE cv1;END; 

B. DECLARETYPE dept_cur IS REF CURSOR RETURN departments%ROWTYPE;cv1 dept_cur;v_dept_name

departments.department_name%TYPE;BEGINOPEN cv1 FOR SELECT * FROM departments WHERE

department_id=10;FETCH cv1. department_name INTO v_dept_name;DBMS_OUTPUT.PUT_LINE

(v_dept_name);CLOSE cv1;END; 

C. DECLARETYPE names_t IS TABLE OF SYS_REFCURSOR INDEX BY PLS_INTEGER;cv1 names_t;v_dept_name

departments.department_name%TYPE;BEGINOPEN cv1 FOR SELECT department_name FROM departments

WHERE department_id=10;FETCH cv1 INTO v_dept_name;DBMS_OUTPUT.PUT_LINE (v_dept_name);CLOSE

cv1;END; 

D. DECLAREcv1 SYS_REFCURSOR;v_dept_name departments.department_name%TYPE;BEGINEXECUTE

IMMEDIATE `BEGIN OPEN: cv1 FORSELECT department_name FROM departmnets WHERE department_id=10:

END;\\’USING IN cv1;FETCH cv1 INTO v_dept_name;DBMS_OUTPUT.PUT_LINE (v_dept_name);CLOSE cv1;END; 

Correct Answer: CD 

 

QUESTION 3

Examine the structure of the TEXT_TAB table. Name Null? Type 

TEXT_ID NUMBER 

DOC1 CLOB 

DOC2 CLOB 

You issue the following INSERT commands: 

INSERT INTO text_tab VALUES (1, \\’This is line 1\\’,null); 

INSERT INTO text_tab VALUES (2, \\’This is line 1\\’,\\’This is line 2\\’); 

Then you execute the following block of the PL/SQL code: 

DECLARE 

vc1 VARCHAR2(1000):= \\’This is the preface\\’; 

lb1 CLOB; 

lb2 CLOB; 

BEGIN 

SELECT doc1 INTO lb1 FROM text_tab WHERE text_id=1; 

SELECT doc1 || doc2 INTO lb1 FROM text_tab WHERE text_id=2; 

lb2 := vc1|| lb1; 

UPDATE text_tab SET doc2 = lb2 WHERE text_id = 1; 

END; 

What is the outcome? 

A. It executes successfully. 

B. It gives an error because VARCHAR2 should be explicitly converted to CLOB. 

C. It gives an error because CLOB variables should be initialized to EMPTY_CLOB(). 

D. It gives an error because the concatenation operator cannot be used with the CLOB data type. 

Correct Answer: A 

 

QUESTION 4

Which two can be used to find details of parameters for overloaded PL/SQL routines? 

A. ALL-DEPENDENCIES 

B. ALL_PROCEDURES 

C. ALL_DESCRIBE 

D. ALL_SOURCE 

E. ALL_ARGUMENTS 

Correct Answer: DE 

 

QUESTION 5

You created a procedure as follows: 

CREATE OR REPLACE PROCEDURE query_prod(twhr VARCHAR2) 

IS 

stmt VARCHAR2(100); 

pname VARCHAR2(20); 

BEGIN 

stmt:=\\’SELECT product_name FROM products WHERE product_id=:2\\’; 

EXECUTE IMMEDIATE stmt INTO pname USING twhr; 

DBMS_OUTPUT.PUT_LINE(pname); 

END; 

View the Exhibit to examine the structure of PRODUCTS table. 

Which statement is true about the procedure?pass4itsure 1z0-148 exam question q5A. It produces an error when invoked.
B. It can be invoked only from a PL/SQL block.
C. It reduces the chances of SQL injection by using bind arguments.
D. The values for bind arguments remain persistent in the session after the execution of the procedure.
Correct Answer: C


QUESTION 6
Which three actions can be performed by using the DBMS_ASSERT package to prevent SQL injection? (Choose
three.)
A. Detect a wrong user.
B. Check input string length.
C. Verify qualified SQL names.
D. Validate TNS connect strings.
E. Verify an existing schema name.
F. Enclose string literals within double quotation marks.
Correct Answer: CEF


QUESTION 7
You created a PL/SQL subprogram that successfully invokes an external C procedure. After a while, the database
administrator (DBA) drops the alias library schema object. The shared library exists in the system. Which statement is
true in this scenario?
A. The corresponding shared library is also removed from the system.
B. PL/SQL subprograms can be used to invoke the external C procedure.
C. The existing extproc process is terminated and a new extproc is started.
D. The PL/SQL subprogram that depends on the external C program becomes invalid.
Correct Answer: D


QUESTION 8
Examine this Java method in class Employee, loaded into the Oracle database:
Public static int updateSalary (String name, float salary) {…}
Which PL/SQL specification can be used to publish this method?
A. CREATE FUNCTION update_salary (p_nm VARCHAR2, p_sal NUMBER)RETURN PLS_INTEGER AS LANGUAGE
JAVALIBRARY “Employee” NAME “updateSalary”PARAMETERS (p_nm java.lang. String, p_sal float, RETURN int);
B. CREATE FUNCTION update_salary (p_nm VARCHAR2, p_sal NUMBER)RETURN PLS_INTEGER AS LANGUAGE
JAVANAME “Employee.updateSalary”PARAMETERS (p_nm java.lang.String, p_sal float, RETURN int);
C. CREATE FUNCTION update_salary (p_nm VARCHAR2, p_sal NUMBER)RETURN PLS_INTEGER AS LANGUAGE
JAVANAME “Employee.updateSalary”PARAMETERS (“name” java.lang.String, “salary” float, RETURN int);
D. CREATE FUNCTION update_salary (p_nm VARCHAR2, p_sal NUMBER)RETURN PLS_INTEGER AS LANGUAGE
JAVANAME `Employee.updateSalary (java.lang.String, float) return int\\’;
E. CREATE FUNCTION update_salary (p_nm VARCHAR2, p_sal NUMBER)RETURN PLS_INTEGER AS LANGUAGE
JAVANAME `int Employee.updateSalary (java.lang.String, float)\\’;
Correct Answer: C


QUESTION 9
View the Exhibit and examine the procedure to create a trigger name based on the table name supplied to the
procedure. Which three statements are appropriate for protecting the code in the procedure from SQL injection?
(Choose three.)pass4itsure 1z0-148 exam question q9A. Explicitly validate the identifier length limit.
B. Add AUTHID DEFINER to the definition of the procedure.
C. Use PRAGMA RESTRICT_REFERENCES in the procedure.
D. Filter out control characters in user-supplied identifier names.
E. Use the object ID of the table from the data dictionary to build the trigger name.
Correct Answer: ADE


QUESTION 10
View the Exhibit and examine the structures of the EMPLOYEES and DEPARTMENTS tables.
Examine the PL/SQL block that you execute to find the average salary for employees in the \\’Sales\\’ department:
DECLARE
TYPE emp_sal IS TABLE OF employees.salary%TYPE INDEX BY VARCHAR2(20);
v_emp_sal emp_sal;
PROCEDURE get_sal(p_dept_name VARCHAR2, p_arr OUT emp_sal) IS
BEGIN
SELECT AVG(salary) INTO p_arr(p_dept_name)
FROM employees WHERE department_id=
(SELECT department_id FROM departments
WHERE department_name=p_dept_name);
END get_sal;
BEGIN
get_sal(\\’Sales\\’,v_emp_sal);
DBMS_OUTPUT.PUT_LINE( v_emp_sal(\\’Sales\\’));
END;
/
What is the outcome?

pass4itsure 1z0-148 exam question q10

A. It executes successfully and gives the correct output.
B. It generates an error because the associative array definition is not valid.
C. It generates an error because an associative array cannot be passed to a procedure in OUT mode.
D. It generates an error because an associative array cannot be used with the SELECT INTO statement.
Correct Answer: A


QUESTION 11
Which two statements are true about cursor variables? (Choose two.)
A. Cursor variables can be parameterized like cursors.
B. The query associated with a cursor variable cannot reference host variables and PL/SQL variables.
C. The FETCH statement executes the query associated with a cursor variable and identifies the result set.
D. Cursor attributes (%FOUND, %NOTFOUND, %ISOPEN, and %ROWCOUNT) can be applied to a cursor variable.
E. The OPEN FOR statement executes the query associated with a cursor variable and identifies the result set.
Correct Answer: DE


QUESTION 12
The database instance was started up using the automatic memory management feature. No value was set for the
RESULT_CACHE_MAX_SIZE parameter.
Examine the following initialization parameter settings for your database:
MEMORY_TARGET = 500M
RESULT_CACHE_MODE = MANUAL
You execute a query by using the result_cache hint. Which statement is true in this scenario?
A. The query results are not stored because no memory is allocated for the result cache.
B. The query results are stored and 0.5% of the memory target is allocated to the result cache.
C. The query results are stored and 0.25% of the memory target is allocated to the result cache.
D. The query results are not stored because the RESULT_CACHE_MODE parameter is not set to FORCE.
Correct Answer: C


QUESTION 13
Examine the following settings for a session:
PLSQL_CODE_TYPE = NATIVE
PLSQL_OPTIMIZE_LEVEL = 3
Which statement would be true in this scenario?
A. The compiler would automatically inline subprograms.
B. The compiler would inline the code for external subroutines.
C. The compiler would inline the code even if the INLINE pragma is set to NO.
D. The compiler would not inline the code unless the INLINE pragma is set to YES.
Correct Answer: A

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