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Q91. View the Exhibit and examine the data in the PRODUCT_INFORMATION table.
There are some products listed in the PRODUCT_INFORMATION table that have no value in the
LIST_PRICE column. You issued the following SQL statement to find out the PRODUCT_NAME
for these products:
SELECT product_name, list_price
FROM product_information WHERE list_price = NULL;
The query returns no rows. What changes would you make in the statement to get the desired result?
A. Change the WHERE clause to WHERE list_price = 0
B. Change the WHERE clause to WHERE list_price = ''.
C. Change the WHERE clause to WHERE list_price IS NULL.
D. In the WHERE clause, enclose NULL within single quotation marks.
E. In the WHERE clause, enclose NULL within double quotation marks.
Q92. Which mandatory clause has to be added to the following statement to successfully create an external table called EMPDET?
CREATE TABLE empdet
(empno CHAR(2), ename CHAR(5), deptno NUMBER(4))
C. DEFAULT DIRECTORY
D. ACCESS PARAMETERS
Q93. View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables.
You executed the following query to display PRODUCT_NAME and the number of times the product has been ordered:
SELECT p.product_name, i.item_cnt
FROM (SELECT product_id, COUNT (*) item_cnt
GROUP BY product_id) i RIGHT OUTER JOIN products p
ON i.product_id = p.product_id;
What would happen when the above statement is executed?
A. The statement would execute successfully to produce the required output.
B. The statement would not execute because inline views and outer joins cannot be used together.
C. The statement would not execute because the ITEM_CNT alias cannot be displayed in the outer query.
D. The statement would not execute because the GROUP BY clause cannot be used in the inline view.
Q94. SCOTT is a user in the database.
Evaluate the commands issued by the DBA:
1 - CREATE ROLE mgr;
2 - GRANT CREATE TABLE, SELECT
ON oe. orders
3 - GRANT mgr, create table TO SCOTT;
Which statement is true regarding the execution of the above commands?
A. Statement 1 would not execute because the WITH GRANT option is missing.
B. Statement 1 would not execute because the IDENTIFIED BY <password> clause is missing.
C. Statement 3 would not execute because role and system privileges cannot be granted together in a single GRANT statement.
D. Statement 2 would not execute because system privileges and object privileges cannot be granted together in a single GRANT command.
Q95. Which statements are true regarding the hierarchical query in Oracle Database 10g? (Choose all that apply.
A. It is possible to retrieve data only in top-down hierarchy.
B. Itis possible to retrieve data in top-down or bottom-up hierarchy.
C. It is possible to remove an entire branch from the output of the hierarchical query.
D. You cannot specify conditions when you retrieve data by using a hierarchical query.
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Q96. View the Exhibit and examine the structure of the EMP table.
You executed the following command to add a primary key to the EMP table:
ALTER TABLE emp
ADD CONSTRAINT emp_id_pk PRIMARY KEY (emp_id)
USING INDEX emp_id_idx;
Which statement is true regarding the effect of the command?
A. The PRIMARY KEY is created along with a new index.
B. The PRIMARY KEY is created and it would use an existing unique index.
C. The PRIMARY KEY would be created in a disabled state because it is using an existing index.
D. The statement produces an error because the USING clause is permitted only in the CREATE TABLE command.
Q97. Which statements are true? (Choose all that apply.)
A. The data dictionary is created and maintained by the database administrator.
B. The data dictionary views can consist of joins of dictionary base tables and user-defined tables.
C. The usernames of all the users including the database administrators are stored in the data dictionary.
D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies.
E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user.
F. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary
Q98. View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables. Which is the best method to load data from the MARKS_DETAILStable to the MARKS table?
B. Unconditional INSERT
D. Conditional FIRST INSERT
Q99. Evaluate the following command:
CREATE TABLE employees (employee_id NUMBER(2) PRIMARY KEY, last_name VARCHAR2(25) NOT NULL, department_id NUMBER(2), job_id VARCHAR2(8), salary NUMBER(10,2));
You issue the following command to create a view that displays the IDs and last names of the sales staff in the organization:
CREATE OR REPLACE VIEW sales_staff_vu AS SELECT employee_id, last_name job_id FROM employees WHERE job_id LIKE 'SA_%' WITH CHECK OPTION;
Which statements are true regarding the above view? (Choose all that apply.)
A. It allows you to insert details of allnewstaff into the EMPLOYEES table.
B. Itallowsyou todeletethedetails of the existing sales staff fromtheEMPLOYEES table.
C. It allows you to updatethejob ids oftheexisting sales staff to any other job id in the EMPLOYEES table.
D. It allows you to insert the IDs, last names and job ids of the sales staff from theviewif it is used in multitable INSERT statements.
Q100. View the Exhibit and examine the descriptions for ORDERS and ORDER_ITEMS tables.
Evaluate the following SQL statement:
SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi. quantity) "Order Amount"
FROM orde_items oi JOIN orders o
ON oi.order_id = o.order_id
GROUP BY CUBE (o.customer_id, oi.product_id);
Which three statements are true regarding the output of this SQL statement? (Choose three.)
A. It would return the subtotals for the Order Amount of every CUSTOMER_ID.
B. It would return the subtotals for the Order Amount for every PRODUCT_ID.
C. It would return the subtotals for the Order Amount of every PRODUCT_ID and CUSTOMER_ID as one group.
D. It would return the subtotals for the Order Amount of every CUSTOMER_ID and PRODUCT_ID as one group.
E. It would return only the grand total for the Order Amount of every CUSTOMER_ID and PRODUCT_ID as one group.