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Oracle 1z0-071 exam, also known as the Oracle Database SQL exam, is a certification exam offered by Oracle Corporation. It is designed to test the knowledge and skills of SQL developers, database administrators, and database analysts who work with Oracle databases. Passing 1z1-071 Exam is a requirement for earning the Oracle Database SQL Certified Associate certification.

To prepare for the exam, Oracle recommends that candidates have a solid understanding of SQL fundamentals and a good understanding of Oracle Database concepts. Candidates can take advantage of training courses, study guides, and practice exams to prepare for the exam. Oracle also provides an exam preparation guide that outlines the topics covered in the exam and provides sample questions for each topic.

Oracle Database SQL Sample Questions (Q73-Q78):

NEW QUESTION # 73
View the Exhibit and examine the structure in the DEPARTMENTS tables. (Choose two.)

Examine this SQL statement:
SELECT department_id "DEPT_ID", department_name, 'b' FROM
departments
WHERE departments_id=90
UNION
SELECT department_id, department_name DEPT_NAME, 'a' FROM
departments
WHERE department_id=10
Which two ORDER BY clauses can be used to sort the output?

A. ORDER BY DEPT_NAME;
B. ORDER BY 'b';
C. ORDER BY 3;
D. ORDER BY DEPT_ID;

Answer: C,D

NEW QUESTION # 74
View the Exhibit and examine the structure in the DEPARTMENTS tables. (Choose two.)

Examine this SQL statement:
SELECT department_id "DEPT_ID", department_name, 'b' FROM
departments
WHERE departments_id=90
UNION
SELECT department_id, department_name DEPT_NAME, 'a' FROM
departments
WHERE department_id=10
Which two ORDER BY clauses can be used to sort the output?

A. ORDER BY DEPT_NAME;
B. ORDER BY 'b';
C. ORDER BY 3;
D. ORDER BY DEPT_ID;

Answer: C,D

NEW QUESTION # 75
View the Exhibit and examine the details of the PRODUCT_INFORMATIONtable.
Exhibit

You must display PRODUCT_NAME from the table where the CATEGORY_IDcolumn has values 12or 13, and the SUPPLIER_IDcolumn has the value 102088.
You executed this SQL statement:

Which statement is true regarding the execution?

A. It would not execute because the same column has been used twice with the ANDlogical operator.
B. It would execute but would return no rows.
C. It would execute and return the desired result.
D. It would not execute because the entire WHEREclause is not enclosed within parentheses.

Answer: B

NEW QUESTION # 76
Examine the description of the EMPLOYEES table:

Which two queries return the highest salary in the table?

A. SELECT department_id, MAX(salary)
FROM employees
GROUP BY department_id;
B. SELECT MAX (salary)
FROM employees
GROUP BY department_id;
C. SELECT MAX (salary)
FROM employees;
D. SELECT MAX (salary)
FROM employees
GROUP BY department_id
HAVING MAX (salary) = MAX (MAX (salary));
E. SELECT MAX (MAX (salary))
FROM employees
GROUP BY department_id;

Answer: C

Explanation:
Query B will return the highest salary in the table without grouping by department. It simply selects the maximum value for the salary column across the entire table.
Query C and D are incorrect because the GROUP BY clause will return the highest salary for each department, not the single highest salary in the entire table.
Query E is incorrect because MAX(MAX(salary)) is not a valid use of aggregate functions and will result in an error.
Reference:
Oracle Documentation on Aggregate Functions: Aggregate Functions

NEW QUESTION # 77
Examine the structure of the INVOICEtable.
Name Null? Type
- ----------------- ------------------- -------------
INV_NO NOT NULL NUMBER(3)
INV_DATE DATE
INV_AMT NUMBER(10,2)
Which two SQL statements would execute successfully?

A. SELECT inv_no, NVL2(inv_date, sysdate-inv_date, sysdate)
FROM invoice;
B. SELECT inv_no, NVL2(inv_amt, inv_amt*.25, 'Not Available')
FROM invoice;
C. SELECT inv_no, NVL2(inv_amt, inv_date, 'Not Available')
FROM invoice;
D. SELECT inv_no, NVL2(inv_date, 'Pending', 'Incomplete')
FROM invoice;

Answer: A,D

NEW QUESTION # 78
......

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