Tag: SPL code example

An antivirus software company’s products are sold on a time-based purchase basis, and users must continuously renew their”license keys”to continue using the software.”License keys” are divided into six-month authorization, one-year authorization, and lifetime authorization. The details are as follows: ID Key Type TermOfValidity Price 1 Six months 6 months 20 2 One Year 12 months 36 3 Unlimited Infinity 500 The following is the sales record table AVwareSales.txt of the company in the first few years after implementing this sales mode: If the customer’s authorization expires without renewing the authorization, the software will be discontinued and the user will no

There is a restaurant that can accommodate 1000 people. They number the seats in order and record them in a database table. After each guest sits down, the waiter will mark it in the seat table. When the guest leaves, this mark will be deleted. At a certain moment, the table is as follows: Due to the frequent occurrence of multiple guests sitting together in consecutive seats, the restaurant requires a synchronized “free seat area table” to facilitate the search for such consecutive seats. This table is used to record which sections of available seats are currently available and the

A certain enterprise’s finance department needs to calculate employee salaries and export the data to the bank. The calculation of salaries first needs to refer to the employee’s absenteeism rate and job performance. The specific rules are: Basic salary * (1- absenteeism rate + performance) Then pay personal income tax. The calculation method for personal income tax is to subtract the tax-free portion of 2000 USD from the income salary, and the remaining portion is calculated by the excess accumulation method, that is, segmented taxation. The tax rate for each segment is shown in the following table: Levels Containing tax

The following is the competition data of a certain Olympic Games. Country Table Country.txt: The athlete table Athlete.txt records the country to which each athlete belongs: The Match result table MatchResult.txt records all the results of the competition: Please list the gold medal standings for this Olympic Game, including the number of gold, silver, and bronze medals from each country, sorted by the number of gold medals, and provide rankings, taking into account the tie situation. As long as the country field in the athlete table is replaced with the record in the country table, and the athlete field in

Prepare simulated data for testing a sales management system. Request to generate 4 tables, with the following data requirements: Salesperson table, requires 50 salespersons in 5 regions: NorthChina, SouthChina, CentralChina, Southwest, Northwest; 4 types of educational backgrounds: Senior High School, Associate Degree, Bachelor, Master. The table structure is as follows: The client table requires 200 client data, with the following structure: Product table, requiring simulation of 30 types of products, with the following structure: Sales contract table, requiring simulation of 10000 sales records, distributed over a period of one year in 2024: There are two key issues that need to

Correlation analysis is a commonly used method in data analysis and mining. By analyzing the relationships between the feature and target variables, it helps identify influential factors in business operations, enabling the prediction of future business trends. The relationships between two variables can be described as follows: (1) Completely positive linear correlation: A value increases as another value increases, and their relationship perfectly falls on a straight line with a slope greater than 0. (2) Completely negative linear correlation: A value decreases as another value increases, and their relationship perfectly falls on a straight line with a slope less than

The following is the LeaveRecords table for employee leave records of a certain company in 2009. The start and end dates of each employee’s leave are recorded: The following table is a detailed information table of employees: Please identify employees who have taken leave for more than 2 days for 3 consecutive times during this year. Firstly, calculate the leave time for each record in the leave table, and then use cross row calculation to find the situation where the leave time for the three consecutive records is greater than 2 days. A 1 =T(“LeaveRecords.txt”) 2 =T(“Employees.txt”).keys(ID) 3 =A1.group(Employee;~.(EndDate-StartDate):Length) 4

Here are some tables in a database of enterprise order status. Firstly, the Customers table records customer IDs and account balances: The Orders table records each order and its customers: The OrderDetails table records detailed information for each order, including the ordered product ID and quantity: The Products table records all product information of the enterprise: Now we need to calculate the average acct_balance of customers who have ordered all of the company’s products, as well as the average account balance of other customers. Firstly, we need to use foreign key conversion to materialize the association between each table, by

This is a database issue for a department store. There are two tables in the database, one is the calendar for store promotion time, and the promotion record table is Promotion: The other is the annual salesperson sales table, sales record table SalesRecord: What we need to know now is which salesperson has the highest sales amount in each promotional activity, so that we can give that employee a performance bonus. Loop promotion calendar table, in each loop, first select all sales records of this promotion from the sales record table, then group them by salesperson and calculate the total

Below are some tables in a simplified supermarket inventory management system. Firstly, there is the commodity table Commodity.txt, which records information about various products: The following is the purchase record table Stock.txt. The supermarket purchases goods at 5 am every day, and the table records the quantity of each product purchased each time: Finally, there is the supermarket’s sales record table Sale.txt: To investigate the sales situation, it is necessary to calculate the average dwell time of “Fresh” products in the supermarket in June 2009. Firstly, we need to solve how to calculate the “average dwell time”. The supermarket cannot