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…

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…

60.(16-10) choose the best answer: Evaluate the following SQL commands: SQL>CREATE SEQUENCE ord_seq INCREMENT BY 10 START WITH 120 MAXVALUE 9999 NOCYCLE; SQL>CREATE TABLE ord_items (ord_no NUMBER(4) DEFAULT ord_seq.NEXTVAL NOT NULL, item_no NUMBER(3…

59.(16-8)choose two: Which two statements are true regarding the USING and ON clauses in table joins? A) The ON clause can be used to join tables on columns that have different names but compatible data types. B) A maximum of one pair of columns can…

58.(16-1) choose the best answer: Examine the structure of the BOORSTRANSACTIONS table: Examine the SQL statement: SQL> SELECT FROM books_transactions WHERE borrowed_date MEMBER_ID IN ('A101', 'A102'); Which statement is true about the outcome? A) It…

57.(14-17) choose two: Examine the structure of the DEPARTMENTS table You execute the following command: SQL> ALTER TABLE departments SET UNUSED (country); Which two statements are true? A) A new column, COUNTRY, can be added to the DEPARTMENTS table…

56.(14-14) choose the best answer: You need to create a table with the following column specifications: 1. Employee ID (numeric data type) for each employee 2. Employee Name (character data type) that stores the employee name 3. Hire date, which stor…

55.(13-3) choose the best answer: Which statement is true regarding the SESSION_PRIVS dictionary view? A) It contains the object privileges granted to other users by the current user session. B) It contains the system privileges granted to other user…

54.(12-15) choose the best answer: View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERS tables. You are asked to retrieve the ORDER_ID, PRODUCT_ID, and total price (UNIT_PRICE multiplied by QUANTITY), where the total price is grea…

53.(12-14) choose the best answer: Examine the command to create the BOOKS table. SQL>CREATE TABLE books (book_id CHAR(6) PRIMARY KEY, title VARCHAR2(100) NOT NULL, publisher_id VARCHAR2(4), author_id VARCHAR2(50)); The BOOK_ID value 101 does not exi…

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…

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…