74.View the exhibit and examine the structure of ORDERS and CUSTOMERS tables. ORDERS Name     Null?       Type ORDER_ID  NOT NULL  NUMBER(4) ORDER_DATE  NOT NULL   DATE ORDER_MODE   VARCHAR2(8) CUSTOMER_ID NOT NULL  NUMBER(6) ORDER_TOTAL   NUMBER(8,…

80.View the exhibit and examine the structure in ORDERS and ORDER_ITEMS tables. You need to create a view that displays the ORDER_ID, ORDER_DATE, and the total number of items in each order. Which CREATE VIEW statement would create the views successf…

79.Which statement is true about transactions? A. A set of Data Manipulation Language (DML) statements executed in a sequence ending with a SAVEPOINT forms a single transaction. B. Each Data Definition Language(DDL) statement executed forms a single…

78.View the exhibit and examine the structure of the CUSTOMERStable. Which two tasks would require subqueries or joins to be executed in a single statement? A. finding the number of customers, in each city, whose credit limit is more than the average…

77.Which two statements are true about sequences created in a single instance database? (Choose two.) A. When the MAXVALUElimit for the sequence is reached, you can increase the MAXVALUElimit by using the ALTER SEQUENCEstatement. B. DELETE < sequence…

76.View the exhibit and examine the description of the DEPARTMENTSand EMPLOYEEStables. The retrieve data for all the employees for their EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, the following SQL statement was written: SELECT employee_id, first_…

75.Which statements are correct regarding indexes? (Choose all that apply.) A. A non-deferrable PRIMARY KEYor UNIQUE KEYconstraint in a table automatically attempts to creates a unique index. B. Indexes should be created on columns that are frequentl…

73.Which statement correctly grants a system privilege? A. GRANT CREATE VIEW ON table1 TO user1; B. GRANT ALTER TABLE TO PUBLIC; C. GRANT CREATE TABLE TO user1, user2; D. GRANT CREATE SESSION TO ALL; Correct Answer: C Section: (none) Explanation 解析:无…

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…

67.(25-8)choose the best answer: View the Exhibit and examine the structure of CUSTOMERS table. Evaluate the following query: SQL>SELECT cust_id, cust_city FROM customers WHERE cust_first_name NOT LIKE 'A_%g_%' AND cust_credit_limit BETWEEN 5000 AND…

66.(22-19)choose two Examine the structure proposed for the TRANSACTIONS table: Which two statements are true regarding the creation and storage of data in the above table structure? A) The TRANS_DATE column would be able to store day, month, century…

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…

64.(22-7) choose the best answer: View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables. Evaluate the following SQL statement: SELECT oi.order_id, product_id, order_date FROM order_items oi JOIN orders o USING(order_id); Whi…

63.(22-4) choose the best answer: View the Exhibit and examine the data in the PRODUCTS table. Which statement would add a column called PRICE, which cannot contain NULL? A) ALTER TABLE products ADD price NUMBER(8,2) DEFAULT NOT NULL; B) ALTER TABLE…

62.(13-17)choose the best answer: You need to list the employees in DEPARTMENT_ID 30 in a single row, ordered by HIRE_DATE. Examine the sample output: Which query will provide the required output? A) SELECT LISTAGG(last_name, '; ') "Emp_list", M…

61.(18-6) choose the best answer: View the Exhibit and examine the structure of the CUSTOMERS table. You want to generate a report showing the last names and credit limits of all customers whose last names start with A, B, or C, and credit limit is b…

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4.Which four are true about creating and running a remote database scheduler jobs? A) A credential is optional for a remote database job. B) A database destination group must exist or be created for a job to run on multiple remote databases. C) A des…

52.(12-11) choose the best answer: Examine the structure and data in the PRICE_LIST table: You plan to give a discount of 25% on the product price and need to display the discount amount in the same format as the PROD_PRICE. Which SQL statement would…

------------------------------------------------------- 51.(12-10)choose the best answer: Evaluate the following SQL statement: SQL> SELECT cust_id, cust_last_name FROM customers WHERE cust_credit_limit IN (select cust_credit_limit FROM customers WHE…

50.(11-15)choose two Examine the structure of the MARKS table: Which two statements would execute successfully? A) SELECT SUM(subjectl+subject2+subject3) FROM marks WHERE student_name IS NULL; B) SELECT SUM(DISTINCT NVL(subject1,0)), MAX(subjectl) FR…

49.(11-1) choose the best answer Examine the structure of the SHIPMENTS table: You want to generate a report that displays the PO_ID and the penalty amount to be paid(罚款数额) if the SHIPMENT_DATE is later than one month from the PO_DATE. The penalty is…

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…