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  • 【第57题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第57题、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 after executing the command. B) Indexes created on the COUNTRY column exist until the DROP UNUSED COLUMNS command is executed. C) ........详情
  • 【第58题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第58题、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 displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE. B) It displays details for members w........详情
  • 【第59题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第59题、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 be joined between two tables using the ON clause. C) Both USING and ON clauses can be used for equijoins and nonequijoins. D) The WHE........详情
  • 【第60题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第60题、choose the best answer: Evaluate the following SQL commands: SQLCREATE SEQUENCE ord_seq INCREMENT BY 10 START WITH 120 MAXVALUE 9999 NOCYCLE; SQLCREATE TABLE ord_items (ord_no NUMBER(4) DEFAULT ord_seq.NEXTVAL NOT NULL, item_no NUMBER(3), qty RIUNBER(3) CHECK (qty BETWEEN 100 AND 200), expiry_date date CHECK (expiry_date SYSDATE), CONSTRAINT it_pk PRIMARY REY (ord........详情
  • 【第51题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第51题、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 WHERE cust_city ='Singapore'); Which statement is true regarding the above query if one of the values generated by the subquery is NULL? A) It ignores the NULL value and generates output for........详情
  • 【第52题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第52题、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 give the required result? A) SELECT TO_CHAR (TO_NUMBER (prod_price)*.25, '$99,999.00') FROM PRICE_LIST; B) SELECT TO_CHAR(prod_pri........详情
  • 【第53题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第53题、choose the best answer: Examine the command to create the BOOKS table. SQLCREATE 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 exist in the table. Examine the SQL statement: SQL INSERT INTO books(BOOK_ID, TITLE, AUTHOR_ID) VALUES ('101', 'LEARNING SQL', 'Tim Jo........详情
  • 【第54题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第54题、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 greater than 50,000. You executed the following SQL statement: SELECT order_id, product_id, unit_price*quantity "Total Price" FROM order_it........详情
  • 【第55题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第55题、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 users by the current user session. C) It contains the current system privileges available in the user session. D) It contains the current ........详情
  • 【第56题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第56题、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 stores the date of joining the organization for each employee 4. Status (character data type), that contains the value 'ACTIVE' if no data ........详情
  • 【第61题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第61题、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 below 10,000. Evaluate the following two queries: SQL SELECT cust_last_name, cust_credit_limit FROM customers WHERE (UPPER(cust_last_na........详情
  • 【第62题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第62题、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", MIN(hire_date) "Earliest" FROM employees WHERE department_id = 30 WITHIN GROUP ORDER BY hire_date; B) SELECT LISTAGG(last_name, '; ') "EM........详情
  • 【第63题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第63题、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 products ADD price NUMBER(8,2) DEFAULT CONSTRAINT p_nn NOT NULL; C) ALTER TABLE products ADD price NUMBER(8,2) NOT NULL; D) ALTER ........详情
  • 【第64题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第64题、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); Which statement is true regarding the execution of this SQL statement? A) The statement would not execute because the table alias prefi........详情
  • 【第65题】OCP考试题库-071最新考试真题分享2019-07-01
  • 071题库分享-第65题、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 customers whose income level has a value should be considered. 3. Customers whose tax amount is null should not be considered. Which st........详情
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