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Preparing for the Oracle 1z1-071 exam requires a solid understanding of SQL and the Oracle Database. Candidates can prepare for the exam by taking courses, reading study guides, and practicing with sample exam questions. Passing the Oracle 1z1-071 exam is an excellent way to demonstrate your SQL skills and enhance your career opportunities in the field of database administration and development.

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To prepare for this certification exam, candidates should have a good understanding of SQL programming concepts, such as data types, operators, functions, and control structures. They should also be familiar with basic database concepts, such as normalization, indexing, and transaction management. 1z0-071 exam consists of 73 multiple-choice questions, which need to be completed within 100 minutes. The passing score for 1z0-071 Exam is 63%. Upon successful completion of the exam, candidates will be awarded the Oracle Database SQL certification, which is a valuable credential for anyone seeking to advance their career in database management.

Oracle Database SQL Sample Questions (Q71-Q76):

NEW QUESTION # 71
View the Exhibit and examine the structure of the PROMOTIONS table.

Evaluate the following SQL statement:

Which statement is true regarding the outcome of the above query?

A. It produces an error because the subquery gives an error.
B. It produces an error because subqueries cannot be used with the CASE expression.
C. It shows COST_REMARK for all the promos in the table.
D. It shows COST_REMARK for all the promos in the promo category 'TV'.

Answer: C

NEW QUESTION # 72
You want to return the current date and time from the user session, with a data type of TIMESTAMP WITH TIME ZONE.
Which function will do this?

A. CURRENT_ TIMESTAMP
B. LOCALTIMESTAMP
C. SYSDATE
D. CURRENT DATE

Answer: A

Explanation:
* A: CURRENT_DATE returns the current date in the session time zone, not with a TIMESTAMP WITH TIME ZONE data type.
* B: CURRENT_TIMESTAMP returns the current date and time in the session time zone with a TIMESTAMP WITH TIME ZONE data type. This is correct.
* C: SYSDATE returns the current date and time from the operating system of the database server in the DATE data type.
* D: LOCALTIMESTAMP returns the current date and time in the session time zone with a TIMESTAMP data type, without the TIME ZONE.
The TIMESTAMP WITH TIME ZONE data type and relevant functions are documented in the Oracle Database SQL Language Reference 12c.

NEW QUESTION # 73
Examine the description of the EMPLOYEES table:

Which query is valid?

A. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
B. SELECT dept_id, MAX (AVG(salary)) FROM employees GROUP BY dept_id;
C. SELECT dept_id, AVG(NAX(salary)) FROM employees GROUP BY dept_id;
D. SELECT dept_id, join date, SUM(salary) FROM employees GROUP BY dept_id,join_date;

Answer: D

NEW QUESTION # 74
Evaluate the following ALTER TABLEstatement:
ALTER TABLE orders
SET UNUSED (order_date);
Which statement is true?

A. The DESCRIBEcommand would still display the ORDER_DATEcolumn.
B. The ORDER_DATEcolumn should be empty for the ALTER TABLEcommand to execute succsessfully.
C. ROLLBACKcan be used to get back the ORDER_DATEcolumn in the ORDERStable.
D. After executing the ALTER TABLEcommand, you can add a new column called ORDER_DATEto the ORDERStable.

Answer: D

NEW QUESTION # 75
Examine the structure of the MARKS table:

Which two statements would execute successfully? (Choose two.)

A. SELECT SUM(subject1+subject2+subject3)FROM marksWHERE student_name IS NULL;
B. SELECT SUM(DISTINCT NVL(subject1,0)), MAX(subject1)FROM marksWHERE subject1 > subject2;
C. SELECT student_name,SUM(subject1)FROM marksWHERE student_name LIKE 'R%';
D. SELECT student_name subject1FROM marksWHERE subject1 > AVG(subject1);

Answer: A,B

NEW QUESTION # 76
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