TEST ORACLE 1Z1-071 DISCOUNT VOUCHER, FREE 1Z1-071 EXAM

Test Oracle 1z1-071 Discount Voucher, Free 1z1-071 Exam

Test Oracle 1z1-071 Discount Voucher, Free 1z1-071 Exam

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Oracle 1z0-071 certification exam is a computer-based test that consists of 73 multiple-choice questions. 1z1-071 Exam has a duration of 105 minutes, and the passing score is 63%. 1z1-071 exam fee is $245, and candidates can register for the exam through the Oracle Certification website. To prepare for the exam, candidates can take advantage of various training resources, including online courses, practice exams, and study guides. Passing the Oracle 1z0-071 certification exam is an excellent way to validate your SQL programming skills and enhance your career opportunities in the database industry.

Oracle Database SQL Sample Questions (Q213-Q218):

NEW QUESTION # 213
Examine the description of the PRODUCT_ STATUS table:

The STATUS column contains the values IN STOCK or OUT OF STocK for each row.
Which two queries will execute successfully?

  • A. SELECT PROD_ID||q'('s not available)' FROM
    product_ status WHERE status = 'OUT OF STOCK';
  • B. SELECT prod_id q's not available" from product_ status WHERE status = 'OUT OF STOCK';
  • C. SELECT prod_id ||q'(' s not available)' 'CURRENT AVAILABILITY' FROM
    product_ status WHERE status = 'OUT OF STOCK'
  • D. SELECT PROD_ID||q'('s not available)' "CURRENT AVAILABILITY"
    FROM product_ status WHERE status = 'OUT OF STOCK';
  • E. SELECT prod_id ||q"' s not available" FROM
    product_ status WHERE status = 'OUT OF STOCK';
  • F. SELECT prod_id "CURRENT AVAILABILITY"||q' ('s not available)' from product_ status WHERE status
    = 'OUT OF STOCK';

Answer: D

Explanation:
The || operator is used in Oracle SQL to concatenate strings, and the q quote operator allows you to use alternative quoting mechanisms to avoid conflicts with single quotes within a string.
In options A, B, C, D, E, and F, the q-quote operator is used in different ways to define string literals.
The correct use of the q quote operator requires the format q'[...]', where [...] is the quote delimiter of your choice and can be any single character such as {, [, (, <, or others.
Option D is the correct answer because it follows the correct syntax for the q quote operator and concatenates the literal string correctly with the value of PROD_ID.
Here is the corrected syntax from option D:
SELECT PROD_ID || q'[('s not available)]' "CURRENT AVAILABILITY" FROM product_status WHERE status = 'OUT OF STOCK'; This query will execute successfully and is the only one that correctly uses the q quote operator.


NEW QUESTION # 214
Examine the description of the EMPLOYEES table:

You write this failing statement:
SELECT dept_no AS department_id, MAX (salary) As max_sal
FROM employees
WHERE salary >10000
GROUP BY department_id
ORDER BY max_sal;
Which clause causes the error?

  • A. ORDER BY
  • B. GROUP BY
  • C. WHERE
  • D. SELECT

Answer: B


NEW QUESTION # 215
The customers table has the following structure:
You need to write a query that does the following tasks:
1. Display the first name and tax amount of the customers. Tax is 5% of their credit limit.
2. Only those customers whose income level has a value should be considered.
3. Customers whose tax amount is null should not be considered.
Which statement accomplishes all the required tasks?

  • A. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT
    FROM customers
    WHERE cust_income_level IS NOT NULL AND
    tax_amount IS NOT NULL;
  • B. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT
    FROM customers
    WHERE (cust_income_level, tax_amount) IS NOT NULL;
  • C. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT
    FROM customers
    WHERE cust_income_level IS NOT NULL AND
    cust_credit_limit IS NOT NULL;
  • D. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT
    FROM customers
    WHERE cust_income_level <> NULL AND
    tax_amount <> NULL;

Answer: C


NEW QUESTION # 216
Examine the business rule:
Each student can work on multiple projects and each project can have multiple students.
You need to design an Entity Relationship Model (ERD) for optimal data storage and allow for generating reports in this format:
STUDENT_ID FIRST_NAME LAST_NAME PROJECT_ID PROJECT_NAME PROJECT_TASK
Which two statements are true in this scenario? (Choose two.)

  • A. STUDENT_ID must be the primary key in the STUDENTS entity and foreign key in the PROJECTS entity.
  • B. PROJECT_ID must be the primary key in the PROJECTS entity and foreign key in the STUDENTS entity.
  • C. An associative table must be created with a composite key of STUDENT_ID and PROJECT_ID, which is the foreign key linked to the STUDENTS and PROJECTS entities.
  • D. The ERD must have a 1:M relationship between the STUDENTS and PROJECTS entities.
  • E. The ERD must have a M:M relationship between the STUDENTS and PROJECTS entities that must be resolved into 1:M relationships.

Answer: C,E

Explanation:
http://www.oracle.com/technetwork/issue-archive/2011/11-nov/o61sql-512018.html


NEW QUESTION # 217
Which two queries execute successfully?

  • A. SELECT SYSDATE "INTERRVAL '1' DAY FROM DUAL;
  • B. SELECT INTERVAL '1' DAY - SYSDATE FROM DUAL;
  • C. SELECT INTERVAL '1' DAY - INTERVAL '1' MINUTE FROM DUAL;
  • D. SELECT SYSTIMESTAMP + INTERVAL '1' DAY FROM DUAL;
  • E. select INTERVAL '1' DAY +INTERVAL '1' MONTH FROM DUAL;

Answer: C,D

Explanation:
A: This statement will not execute successfully because you cannot subtract a DAY interval from a DATE directly. SYSDATE needs to be cast to a TIMESTAMP first.
B: This statement is correct. It adds an interval of '1' DAY to the current TIMESTAMP.
C: This statement is correct. It subtracts an interval of '1' MINUTE from '1' DAY.
D: This statement will not execute successfully. In Oracle, you cannot add intervals of different date fields (DAY and MONTH) directly.
E: This statement has a syntax error with the quotes around INTERVAL and a misspelling, it should be 'INTERVAL'.
Oracle Database 12c SQL supports interval arithmetic as described in the SQL Language Reference documentation.


NEW QUESTION # 218
......

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