Describe what is meant by the words "file," "record," and "field," respectively.
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- All three of the most common methods for handling data files need to be shown.Program this Sometimes data comes in as a structured format that you have to break down and turn into records so you can process them. CSV, or comma-separated values, is a common standard for doing this. Construct a program that reads in the following data file: Lee, Jason, 55908 Flores, Jim, 56500 Cruz, Aaron, 46000 Cruz, Chris, 34500 Swift, Geoffrey, 14200 Xiong, Fong, 65000 Zafra, Sabrina,51500 Process the records and display the results formatted as a table, evenly spaced, as shown in the example output. EXAMPLE OUTPUT Last First Salary $65,000 $56,500 $55,900 Xiong Fong Flores Jim Lee Jason Zafra Sabrina Cruz Aaron Cruz Chris Swift $51,500 $46,000 $34,500 Geoffrey $14,200 CONSTRAINTS 1. Write your own code to parse the data. Don't use a CSV parser 2. Use string formatting to properly space out the columns. Make each column one space longer than the longest value in the column. 3. Format the salary as currency with dollar signs and commas. 4. Sort the results by salary from highest…File Attributes 5. File attributes (a) File name: file name is a very important file attribute When a file changes name, it seems to change its identity (just like when you change your name) The oldest file naming we may remember is the 8 +3 convention in DOS (in DOS, all file names can NOT be bigger than 8 characters, special characters like spaces were not allowed etc.). So a file like C:\\Program Files\\Adobe\\Photoshop can cause problems in DOS, and it has to be represented in different ways using strange character like~ (tilde). Elaborate on your understanding of file names or file naming in different operating systems (Windows, Mac, Linux etc.). For example, some OS like NTFS may allow longer file name, allow space, and even allow non English like characters such as Chinese file names. Is there a maximum length of file names (can you have a file name of 1,000 characters long?) (b) File creation date and modification date. File can be created and modified using different ways of…
- Make a distinction between file storage structure and structure storage structure.Print Person Information from file In this lab you are asked to complete the function : print_person_from_file(person_name, filename). This function should read in data from the file filename and print the information for person_name if it is found in the file. The file filename contains lines, in comma separated format (with a 'csv' extension) For each line, the items in each field are as follows: Field 1 3 4 Name Place of Birth Date of Birth Children For Children: • a person can have 0, 1 or multiple Children Multiple children are semi-colon separated If a person has no children the field contains 'NA' For example, consider the following lines froma .csv file, where Fletcher_Margaret has 3 children, and Baker_Jill has 0 children (field 4 contains the string 'NA') Fletcher Margaret,Sydney,30-09-1921,Green Bob;Green Nancy;William Tom Baker_Jill, Melbourne,08-09-1973, NA Format for Printing If the person_name is found in the file, the format for printing the person information is as…A file consists of (A) Fields and records (B) Records and sorts (C) Fields and sorts (D) Databases and fields
- In terms of descriptions, what is the difference between a file's logical and physical descriptions?The file that contains ordering attributes that are not key in nature is referred to as theA new video store in your neighborhood is about to open. However, it does not have a program to keep track of its videos and customers. The store managers want someone to write a program for their system so that the video store can operate. The program will require you to design 2 ADTs as described below: [1] VIDEO ADT Data Operations Video_ID (preferably int, auto-generated) Movie Title Genre Production Number of Copies Movie Image Filename [1] Insert a new video [2] Rent a video; that is, check out a video [3] Return a video, or check in, a video [4] Show the details of a particular video [5] Display all videos in the store [6] Check whether a particular video is in the store [2] CUSTOMER PARENT ADT Data Operations Customer_ID (preferably int, auto-generated) Name Address [1] Add Customer [2] Show the customer details [3] Print list of all customers [3] CUSTOMER-RENT CHILD ADT Customer_ID ( Video_ID (of all rented videos of a…
- True or FalseAs items are read from the file, the read position moves forward, toward the end of the file.A new video store in your neighborhood is about to open. However, it does not have a program to keep track of its videos and customers. The store managers want someone to write a program for their system so that the video store can operate. The program will require you to design 2 ADTs as described below: [1] VIDEO ADT Data Operations Video_ID (preferably int, auto-generated) Movie Title Genre Production Number of Copies Movie Image Filename [1] Insert a new video [2] Rent a video; that is, check out a video [3] Return a video, or check in, a video [4] Show the details of a particular video [5] Display all videos in the store [6] Check whether a particular video is in the store [2] CUSTOMER PARENT ADT Data Operations Customer_ID (preferably int, auto-generated) Name Address [1] Add Customer [2] Show the customer details [3] Print list of all customers [3] CUSTOMER-RENT CHILD ADT Customer_ID ( Video_ID (of all rented videos of a…COBOL PROGRAMMING you will need to create your own Input file records. You must have at least 10 records in your file. You can make up your own Customer Last Name, First Initial, Car types must be one of the following TOYOTA, OLDSMOBILE, CADILLAC. You can also make up your own Miles and Days rented. Make sure to use the data lengths used in the Customer Record layout. Don't forget to format your output. Hint: You will be using several IF statements for this program. Since the Car-Type is an alphanumeric when you compare your type use quotes. For example .. IF CUST-TYPE-IN = "1" ...... keep in mind you can use double or single quotes. Also, don't forget that the first 100 miles are free regardless of car type. IF YOU USE A INPUT FILE TAKE A PICTURE OF THE INPUT FILE AND INCLUDE THE PICTURE OR INCLUDE THE INPUT FILE TEXT UNDER THE CODE OF THE PROGRAM.