上周通过了SFDC 401 考试,一下是对考试题的回忆. 1. Using a formula field how would a developer calculate the number of days since a record has been created? The CreatedDate field is a DateTime type field. a. TODAY() – DATEVALUE(CreatedDate) b. NOW() – DATEVALUE(Created…

2018年 RHCSA考试真题... ------------ 考前需要做的基础 破解root密码 KVM虚拟机与VM虚拟机 主机名:station.domain1.example.comIP地址:172.24.1.5子网掩码:255.255.255.0网关:172.24.1.254名称服务:172.24.1.250虚拟机的root密码是:flectrag------------------------------------1.破解root密码重启系统后出现GRUB界面在引导装载程序菜单上,用…

CCF考试认证:题解参考博客http://blog.csdn.net/u014578266/article/details/45221841 问题描述 试题编号: - 试题名称: 图像旋转 时间限制: .0s 内存限制: .0MB 问题描述: 问题描述 旋转是图像处理的基本操作,在这个问题中,你需要将一个图像逆时针旋转90度. 计算机中的图像表示可以用一个矩阵来表示,为了旋转一个图像,只需要将对应的矩阵旋转即可. 输入格式 输入的第一行包含两个整数n, m,分别表示图像矩阵的行数和列数. 接下来…

11.(5-8) choose the best answer: Examine the structure of the BOOKS_TRANSACTIONS table. You want to update this table such that BOOK_ID is set to 'INVALID' for all rows where no MEMBER_ID has been entered. Examine this partial SQL statement: SQL> UPD…

12.(5-12)choose two:Examine the data in the CUSTOMERS table:You want to list all cities that have more than one customer along with the customer details.Evaluate the following query:SQL>SELECT c1.custname, c1.cityFROM Customers c1______Customers c2ON…

10.(5-6) choose the best answer:Examine the structure of the EMPLOYEES table:There is a parent/child relationship between EMPLOYEE_ID and MANAGER_ID.You want to display the name, joining date, and manager for all the employees.Newly hired employees a…

9.(5-5) choose the best answerView the Exhibit and examine the structure of the SALES and STORES tables.You want to display the store name and the total quantity sold for each item in the store. Which SQL statement will give the required output?A) SE…

8.(5-4) choose the best answer:You need to produce a report where each customer's credit limit has been incremented by $1000.In the output, the customer's last name should have the heading Name and the incremented creditlimit should be labeled New Cr…

7.(5-1) choose two:View the Exhibit and examine the structure of the PRODUCTS table.Which two tasks would require subqueries? A) Display the minimum list price for each product status.B) Display the total number of products supplied by supplier 102 a…

6.(4-21) choose the best answer: View the Exhibit and examine the structure of the CUSTOMERS table. Evaluate the following SQL statement: SQL> SELECT cust_city, COUNT(cust_last_name) FROM customers WHERE cust_credit_limit > 1000 GROUP BY cust_city H…