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NEW QUESTION 54
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTS and TIMES tables.
The PROD_ID column is the foreign key in the SALES tables, which references the PRODUCTS table.
Similarly, the CUST_ID and TIME_ID columns are also foreign keys in the SALES table referencing the CUSTOMERS and TIMES tables, respectively.
Evaluate the following CREATE TABLE command:
CREATE TABLE new_sales (prod_id, cust_id, order_date DEFAULT SYSDATE)
AS
SELECT prod_id, cust_id, time_id
FROM sales;
Which statement is true regarding the above command?

• A. The NEW_SALES table would get created and all the NOT NULL constraints defined on the specified columns would be passed to the new table.
• B. The NEW_SALES table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match.
• C. The NEW_SALES table would get created and all the FOREIGN KEY constraints defined on the specified columns would be passed to the new table.
• D. The NEW_SALES table would not get created because the DEFAULT value cannot be specified in the column definition.

Answer: A

NEW QUESTION 55
View the Exhibit and examine the structure of the SALES and PRODUCTS tables. (Choose two.)

In the SALES table, PROD_ID is the foreign key referencing PROD_ID in the PRODUCTS table. You must list each product ID and the number of times it has been sold.
Examine this query which is missing a JOIN operator:

Which two JOIN operations can be used to obtain the required output? (Choose two.)

• A. FULL OUTER JOIN
• B. LEFT OUTER JOIN
• C. RIGHT OUTER JOIN
• D. JOIN

Answer: A,B

NEW QUESTION 56
Examine the structure of the EMPLOYEES table. (Choose two.)
You must display the maximum and minimum salaries of employees hired 1 year ago.
Which two statements would provide the correct output?

• A. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsal FROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary);
• B. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsal FROM employeesWHERE hire_date < SYSDATE-365)GROUP BY maxsal, minsal;
• C. SELECT MIN(Salary), MAX(salary)FROM (SELECT salary FROM employeesWHERE hire_date < SYSDATE-365);
• D. SELECT MIN(Salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date
  < SYSDATE-365GROUP BY MIN(salary), MAX(salary);

Answer: B,C

NEW QUESTION 57
Which three statements are true regarding subqueries?

• A. Main query and subquery must get data from the same tables.
• B. Multiple columns or expressions can be compared between the main query and subquery.
• C. Subqueries can contain ORDER BY but not the GROUP BY clause.
• D. Main query and subquery can get data from different tables.
• E. Only one column or expression can be compared between the main query and subquery.
• F. Subqueries can contain GROUP BY and ORDER BY clauses.

Answer: B,D,F

Explanation:
References:
http://docs.oracle.com/javadb/10.6.2.1/ref/rrefsqlj13658.html

NEW QUESTION 58
......