28.choose the best answer Evaluate the following SQL statement: SQL> SELECT promo_id, promo_category FROM promotions WHERE promo_category = 'Internet' ORDER BY 2 DESC UNION SELECT promo_id, promo_category FROM promotions WHERE promo_category = 'TV' U…

27.choose two The SQL statements executed in a user session are as follows: SQL> CREATE TABLE product (pcode NUMBER(2), pname VARCHAR2(10)); SQL> INSERT INTO product VALUES (1, 'pen'); SQL> INSERT INTO product VALUES (2,'pencil'); SQL> SAVEPOI…

26.choose two Examine the structure of the PRODUCTS table. Which two statements are true? A) EXPIRY_DATE always stores date and time in character format B) PRICE can store a maximum of eight digits and two decimals. C) PRODUCT_PIC can store only vide…

25. choose the best answer Evaluate the following SQL statement: ALTER TABLE hr.emp SET UNUSED (mgr_id); Which statement is true regarding the effect of the above SQL statement? A) Any views created on the EMP table that include the MGR_ID column wou…

24. choose the best answer In the EMPLOYEES table there are 1000 rows and employees are working in the company for more than 10 years. Evaluate the following SQL statement: SQL> UPDATE employees SET salary = NVL(salary,0) + NVL(comm,0),comm = NVL(com…

23.choose the best answer View the Exhibits and examine PRODUCTS and SALES tables. You issue the following query to display product name and the number of times the product has been sold: SQL>SELECT p.prod_name, i.item_cnt FROM (SELECT prod id, COUNT…

5.choose the best answer Evaluate the following CREATE SEQUENCE statement: CREATE SEQUENCE seq1 START WITH 100 INCREMENT BY 10 MAXVALUE 200 CYCLE NOCACHE; The sequence SEQ1 has generated numbers up to the maximum limit of 200. You issue the following…

3.choose three View the Exhibit and examine the description of SALES and PROMOTIONS tables. You want to delete rows from the SALES table, where the PROMO_NAME column in the PROMOTIONS table has either blowout sale or everyday low price as values. Whi…

20.choose two Examine the description of the EMP_DETAILS table given below: Which two statements are true regarding SQL statements that can be executed on the EMP_DETAIL table? A) You cannot add a new column to the table with LONG as the data type. B…

1.choose the best answerWhat is the primary difference between the relational database (RDB) andobject-oriented database (OODB) models?A) RDB allows the definition of relationships between different tables, whereas OODBdoes not allow this.B) OODB inc…

18.(8-7) choose twoWhich two statements are true regarding views? (Choose two.) A) A simple view in which column aliases have been used cannot be updated.B) The OR REPLACE option is used to change the definition of an existing view without droppingan…

17.(7-11) choose twoView the Exhibit and examine the structure of ORDER_ITEMS and ORDERS tables.You need to remove from the ORDER_ITEMS table those rows that have an order status of 0 or 1 inthe ORDERS table.Which two DELETE statements are valid? (Ch…

16.(7-5) choose the best answerThe PRODUCTS table has the following structure:Evaluate the following two SQL statements:SQL>SELECT prod_id, NVL2(prod_expiry_date, prod_expiry_date + 15,'')FROM products;SQL>SELECT prod_id, NVL(prod_expiry_date, prod_…

15.(6-24)choose the best answerExamine the structure of the MEMBERS table:You want to display details of all members who reside in states starting with the letter A followedby exactly one character. Which SQL statement must you execute? A. SELECT * F…

14.(6-13) choose the best answer:View the Exhibit and examine the structure of the ORDERS table.Which UPDATE statement is valid? A) UPDATE ordersSET order_date = '12-mar-2007'AND order_total = TO_NUMBER(NULL)WHERE order_id = 2455; B) UPDATE ordersSET…

13.(6-7) choose twoWhich two statements are true regarding operators used with subqueries? (Choose two.)A) =ANY and =ALL operators have the same functionality.E) The NOT IN operator is equivalent to is NULL.C) The <ANY operator means less than the ma…

36.choose the best answer View the Exhibits and examine the structures of the PRODUCTS, SALES, and CUSTOMERS tables. You issue the following query: SQL>SELECT p.prod_id,prod_name,prod_list_price, quantity_sold,cust_last_name FROM products p NATURAL J…

35.choose the best answer View the Exhibit and examine the description of the EMPLOYEES table. Evaluate the following SQL statement: SELECT first_name, employee_id, NEXT_DAY(ADD_MONTHS(hire_date,6),1) "Review" FROM employees; The query was writt…

34.choose two View the Exhibit and examine the structure of the PRODUCT_INFORMATION and INVENTORIES tables. You have a requirement from the supplies department to give a list containing PRODUCT_ID, SUPPLIER_ID, and QUANTITY_ON_HAND for all the produc…

33.choose the best answer View the Exhibit and examine the structure of the ORDER_ITEMS table. Examine the following SQL statement: SELECT order_id, product_id, unit_price FROM order_items WHERE unit_price = (SELECT MAX(unit_price) FROM order items G…

32.choose the best answer View the Exhibit and examine the data in EMP and DEPT tables. In the DEPT table, DEPTNO is the PRIMARY KEY. In the EMP table, EMPNO is the PRIMARY KEY and DEPTNO is the FOREIGN KEY referencing the DEPTNO column in the DEPT t…

31.choose the best answer Which statement is true regarding the USING clause in table joins? A) It can be used to access data from tables through equijoins as well as nonequijoins. B) It can be used to join tables that have columns with the same name…

30.choose the best answer Examine the commands used to create DEPARTMENT_DETAILS and COURSE_DETAILS: SQL> CREATE TABLE DEPARTMENT_DETAILS (DEPARTMENT_ID NUMBER PRIMARY KEY, DEPARTMENT_NAME VARCHAR2(50) , HOD VARCHAR2(50)); SQL> CREATE TABLE COURSE_D…

29.choose the best answer Evaluate the following query: SQL> SELECT promo_name || q'{'s start date was \}' || promo_begin_date AS "Promotion Launches" FROM promotions; What would be the outcome of the above query? A) It produces an error beca…

65.(22-16) choose the best answer: 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 cus…

72.View the exhibit for the structure of the STUDENTand FACULTYtables. STUDENT Name Null? Type ------------------ ------------------- ------------- STUDENT_ID NOT NULL NUMBER(2) STUDENT_NAME VARCHAR2(20) FACULTY_ID VARCHAR2(2) LOCATION_ID NUMBER(2) F…

71.(32-18) choose three Which three statements indicate the end of a transaction? (Choose three.) A) after a CREATE statement is issued B) after a SELECT statement is issued C) after a ROLLBACK is issued D) after a SAVEPOINT is issued E) after a COMM…

70.(31-2)choose the best answer: View the Exhibit and examine the structure of the Book table. The BOOKS table contains details of 100 books. Examine the commands executed and their outcome: SQL>INSERT INTO books VALUES ('ADV112', 'Adventures of Tom…

69.(31-1)choose the best answer: Evaluate the following query: SELECT INTERVAL '300' MONTH, INTERVAL '54-2' YEAR TO MONTH, INTERVAL '11:12:10.1234567' HOUR TO SECOND FROM dual; What is the correct output of the above query? A) +25-00 , +00-650, +00 1…

68.(29-13)choose two: Which two statements are true? (Choose two.) A) DICTIONARY is a view that contains the names of all the data dictionary views that the user can access. B) The user SYSTEM owns all the base tables and user-accessible views of the…