Download Oracle Database SQL.1z0-071.Pass4Success.2025-11-22.115q.vcex

Vendor: Oracle
Exam Code: 1z0-071
Exam Name: Oracle Database SQL
Date: Nov 22, 2025
File Size: 4 MB
Downloads: 9
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Demo Questions

Question 1
Which two are true about the NVL, NVL2, and COALESCE functions?
  1. The first expression in NVL2 is never returned. 
  2. NVL2 can have any number of expressions in the list. 
  3. COALESCE stops evaluating the list of expressions when it finds the first null value. 
  4. COALESCE stops evaluating the list of expressions when it finds the first non-null value. 
  5. NVL must have expressions of the same data type. 
  6. NVL can have any number of expressions in the list. 
Correct answer: A, D
Question 2
You create a table named 123. Which statement runs successfully?
  1. SELECT * FROM '123 
  2. SELECT * FROM \ *123\' ; 
  3. SELECT * FROM , 123* ; 
  4. SELECT * FROM TABLE(123); 
Correct answer: A
Question 3
Examine these statements:
CREATE TABLE dept (
deptno NUMBER PRIMARY KEY,
diname VARCHAR2(10) ,
mgr NUMBER ,
CONSTRAINT dept_fkey FOREIGN KEY(mgr) REFERENCES emp (empno));
CREATE TABLE emp (
Empno NUMBER PRIMARY KEY,
Ename VARCHAR2 (10) ,
deptno NUMBER,
CONSTRAINT emp_fkey FOREIGN KEY (deptno) REFERENCES dept (deptno) DISABLE);
ALTER TABLE emp MODIFY CONSTRAINT emp_fkey ENABLE;
Which two are true?
  1. The MGR column in the DEPT table will not be able to contain NULL values. 
  2. The CREATE TABLE EMP statement must precede the CREATE TABLE DEPT statement for all threestatements to execute successfully. 
  3. Both foreign key constraint definitions must be removed from the CREATE TABLE statements, andbe added with ALTER TABLE statements once both tables are created, for the two CREATE TABLEstatements toexecute successfully in the order shown. 
  4. The DEFT FKEY constraint definition must be removed from the CREATE TABLE DEF statement.and be added with an AITER TABLE statement once both tables are created, for the two CREATE TABLE statementsto execute successfully in the order shown. 
  5. The Deptno column in the emp table will be able to contain nulls values. 
  6. All three statements execute successfully in the order shown 
Correct answer: D, E
Question 4
Which three privileges can be restricted to a subset of columns in a table? (Choose three.)
  1. ALTER 
  2. DELETE 
  3. UPDATE 
  4. SELECT 
  5. INDEX 
  6. REFERENCES 
  7. INSERT 
Correct answer: C, G
Question 5
Examine these statements:
Which two are true?
  1. Both foreign key constraint definition must be removed from the CREATE statements, and be added with ALTER TABLE statements once both tables are created, for the two CREATE TABLE statements to execute successfully in the order shown. 
  2. The MGR column In the DEPT table will not be able to contain null values. 
  3. The DEPTNO column in the EMP table will be able to contain null values. 
  4. The DEPT_FKEY constraint definition must be removed from the CREATE TABLE DEPT statement. and the added with an D. ALTER statement once both tables are created, for the two CREATE TABLE statements to execute successfully in the order shown. 
  5. The create TABLE EMP statement must precede the create table DEPT statement for all three statements to execute successfully. 
  6. All three statements execute successfully in the order shown. 
Correct answer: C, D
Question 6
Which statement will return a comma-separated list of employee names in alphabetical order for each department in the EMP table?
  1. Select deptno. no LISTAGG(ename, ',') WITHIN GROUP (GROUP BY deptno) AS employee-listFROM empORDER BY emp 
  2. Select deptno. LISTAGG(ename, ',') WITHIN GROUP AS employee-listFROM empGROUP BY emp 
  3. Select deptno. LISTAGG(ename, ',') WITHIN GROUP AS employee-listFROM empORDER BY ename; 
  4. Select deptno. no LISTAGG(ename, ',') WITHIN GROUP(ORDER BY ename) AS employee-listFROM empORDER BY emp 
Correct answer: D
Question 7
View the Exhibit and examine the structure of CUSTOMERS table.
Using the CUSTOMERS table, you need to generate a report that shows an increase in the credit limit by 15% for all customers. Customers whose credit limit has not been entered should have the message "Not Available" displayed.
Which SQL statement would produce the required result?
  1. SELECT NVL (TO CHAR(cust_credit_limit * .15), 'Not Available') 'NEW CREDIT'FROM customers;
  2. SELECT TO_CHAR (NVL(cust_credit_limit * .15), 'Not Available') 'NEW CREDIT'FROM customers;
  3. SELECT NVL(cust_credit_limit * .15), 'Not Available') 'NEW CREDIT'FROM customers;
  4. SELECT NVL(cust_credit_limit), 'Not Available') 'NEW CREDIT'FROM customers;
Correct answer: A
Question 8
Examine the description of the EMPLOYERS table:
Examine these requirements:
Disable the manager ID and salary of the lowest paid employees for that manager.
Exclude anyone whose manager is not known.
Exclude any managers where the minimum salary is 6000 or less.
Sort the output by minimum salary with the highest salary shown first.
Which statement will do this?
  1. SELECT manager_id, MTN(salary)FROM employeesWHERE manager_ id IS NOT NULLGROUP BY manager_idHAVING MlN (salary) > 6000ORDER BV MlN (salary); 
  2. SELECT managar_id, MIN (salary)FROM employeesHAVING MIN(salary) > 6000WHERE manager_id IS NOT NULLGROUP BY manager_idORDER BY MTN(salary) DESC; 
  3. SELECT manager_id, HTN(salary)FROM employeesWHERE manager_id IS NOT NULLHAVING MIN (salary) > 6000GROUP BY manager_idORDEU BY MIN (salary) DESC; 
  4. SELECT manager_id, MIN(salary)FROM employeesWHERE manager_id IS NOT NULLAND MIN(salary) > 6000GROUP BY manager_idORDER BY MlN (salary) DESC; 
Correct answer: A
Question 9
View the exhibit and examine the structures of the EMPLOYEES and DEPARTMENTS tables.
You want to update EMPLOYEES table as follows:
Update only those employees who work in Boston or Seattle (locations 2900 and 2700).
Set department_id for these employees to the department_id corresponding to London (location_id 2100).
Set the employees' salary in location_id 2100 to 1.1 times the average salary of their department.
Set the employees' commission in location_id 2100 to 1.5 times the average commission of their department.
You issue the following command:
What is outcome?
  1. It generates an error because multiple columns (SALARY, COMMISSION) cannot be specified together in an UPDATE statement.
  2. It generates an error because a subquery cannot have a join condition in a UPDATE statement.
  3. It executes successfully and gives the desired update.
  4. It executes successfully but does not give the desired update.
Correct answer: D
Question 10
Which two are true about using constraints?
  1. A FOREIGN KEY column in a child table and the referenced PRIMARY KEY column in the parenttable must have the same names. 
  2. A table can have multiple PRIMARY KEY and multiple FOREIGN KEY constraints. 
  3. A table can have only one PRIMARY KEY and one FOREIGN KEY constraint. 
  4. PRIMARY KEY and FOREIGNY constraints can be specified at the column and at the table level 
  5. A table can have only one PRIMARY KEY but may have multiple FOREIGN KEY constraints. 
  6. NOT NULL can be specified at the column and at the table level. 
Correct answer: D, E
Question 11
Examine this statement:
Which two statements are true?
  1. All remaining employee names will appear in an ascending order 
  2. The names of employees remaining the maximum salary will appear first in an ascending order 
  3. All remaining employee names will appear in ascending order 
  4. All remaining employee names will appear in descending order 
  5. The names of employees maximum salary will appear fist to descending order 
  6. The names of employees maximum salary will appear fist to ascending order 
Correct answer: C, E
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