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…

本人于2017年4月22日通过参加OCP考试,第一次参加,一天之内考了三门,三门一次性通过,052 - 95% ,053 - 86% ,051 - 100% 一.关于考试考试报名费: 052:158$ 053:158$ 051:132$ 考试合格线: 052:66% 053: 66% 051: 60% 本人分数: 052:95% 053: 86% 051: 100% 考试题量: 052:70题 053: 78题 051: 64题 考试时间(计划): 052: 9:00-11:00(2小时) 05…

导言 看了 动态规划(https://www.cnblogs.com/fivestudy/p/11855853.html)的帖子,觉得写的很好,记录下来. 动态规划问题一直是算法面试当中的重点和难点,并且动态规划这种通过空间换取时间的算法思想在实际的工作中也会被频繁用到,这篇文章的目的主要是解释清楚 什么是动态规划,还有就是面对一道动态规划问题,一般的 思考步骤 以及其中的注意事项等等,最后通过几道题目将理论和实践结合. 用一句话解释动态规划就是 “记住你之前做过的事”,如果更准确些,其实是 “…