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Q11. In which three situations does a transaction complete?
A. When a DELETE statement is executed
B. When a ROLLBACK command is executed
C. When a PL/SQL anonymous block is executed
D. When a data definition language (DDL) statement is executed
E. When a TRUNCATE statement is executed after the pending transaction
Answer: B,D,E
Q12. View the Exhibit and examine the structure of the products table.
All products have a list price.
You issue the following command to display the total price of each product after a discount of 25% and a tax of 15% are applied on it. Freight charges of $100 have to be applied to all the products.
What would be the outcome if all the parentheses are removed from the above statement?
A. It produces a syntax error.
B. The result remains unchanged.
C. The total price value would be lower than the correct value.
D. The total price value would be higher than the correct value.
Answer: B
Q13. Examine the data in the ORD_ITEMS table:
Evaluate the following query:
Which statement is true regarding the outcome of the above query?
A. It gives an error because the having clause should be specified after the group by clause.
B. It gives an error because all the aggregate functions used in the having clause must be specified in the select list.
C. It displays the item nos with their average quantity where the average quantity is more than double the minimum quantity of that item in the table.
D. It displays the item nos with their average quantity where the average quantity is more than double the overall minimum quantity of all the items in the table.
Answer: C
Q14. YOU need to display the date ll-oct-2007 in words as ‘Eleventh of October, Two Thousand Seven'.
Which SQL statement would give the required result?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q15. View the Exhibit and examine the data in the promotions table.
PROMO_BEGIN_DATE is stored in the default date format, dd-mon-rr.
You need to produce a report that provides the name, cost, and start date of all promos in the post category that were launched before January 1, 2000.
Which SQL statement would you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q16. Examine the structure of the employees table:
There is a parent/child relationship between EMPLOYEE_ID and MANAGER_ID.
You want to display the name, joining date, and manager for all the employees. Newly hired employees are yet to be assigned a department or a manager. For them, 'No Manager1 should be displayed in the manager column.
Which SQL query gets the required output?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
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Q17. Evaluate the following SQL statement:
Which statement is true regarding the outcome of the above query?
A. It executes successfully and displays rows in the descending order of PROMO_CATEGORY.
B. It produces an error because positional notation cannot be used in the order by clause with set operators.
C. It executes successfully but ignores the order by clause because it is not located at the end of the compound statement.
D. It produces an error because the order by clause should appear only at the end of a compound query-that is, with the last select statement.
Answer: D
Q18. View the Exhibit and examine the structures of the employees and departments tables.
You want to update the 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 iocation_id 2100 to 1.1 times the average salary of their department.
-Set the employees' commission in iocation_id 2100 to 1.5 times the average commission of their department.
You issue the following command:
What is the outcome?
A. It executes successfully and gives the correct result.
B. It executes successfully but does not give the correct result.
C. It generates an error because a subquery cannot have a join condition in an update statement.
D. It generates an error because multiple columns (SALARY, COMMISSION) cannot be specified together in an update statement.
Answer: B
Q19. Examine the structure and data of the CUST_TRANS table:
Dates are stored in the default date format dd-mon-rr in the CUST_TRANS table. Which three SQL statements would execute successfully?
A. SELECT transdate + '10' FROM cust_trans;
B. SELECT * FROM cust_trans WHERE transdate = '01-01-07'
C. SELECT transamt FROM cust_trans WHERE custno > "11";
D. SELECT * FROM cust_trans WHERE transdate='01-JANUARY-07'
E. SELECT custno + 'A' FROM cust_trans WHERE transamt > 2000;
Answer: A,C,D
Q20. View the Exhibit and examine the structure of the product, component, and PDT_COMP tables.
In product table, PDTNO is the primary key.
In component table, COMPNO is the primary key.
In PDT_COMP table, <PDTNO, COMPNO) is the primary key, PDTNO is the foreign key referencing PDTNO in product table and COMPNO is the foreign key referencing the COMPNO in component table.
You want to generate a report listing the product names and their corresponding component names, if the component names and product names exist.
Evaluate the following query:
SQL>SELECT pdtno, pdtname, compno, compname
FROM product _____________ pdt_comp
USING (pdtno) ____________ component USING (compno)
WHERE compname IS NOT NULL;
Which combination of joins used in the blanks in the above query gives the correct output?
A. JOIN; JOIN
B. FULL OUTER JOIN; FULL OUTER JOIN
C. RIGHT OUTER JOIN; LEFT OUTER JOIN
D. LEFT OUTER JOIN; RIGHT OUTER JOIN
Answer: C
