What is a csv file and how does database work in general?

Expert Solution

Manojponduru answered 1 year ago

how to read a csv file in php not using fgetscsv or fgets. Just using file("Stores.csv");...

how to read a csv file in php not using fgetscsv or fgets. Just using file("Stores.csv"); or fopen("Stores.csv", "r"); and making into a html table? It print but it keeps saying Notice: Undefined offset: , Notice: Undefined offset: 2, etc at the top. Acme,Walmart,Ross,BJs,Target,Marshalls,Foot Locker,Giant,Charming Charlie 142,160,28,10,5,3,60,0.28,3167 175,180,18,8,4,1,12,0.43,4033 129,132,13,6,3,1,41,0.33,1471 138,140,17,7,3,1,22,0.46,3204 232,240,25,8,4,3,5,2.05,3613 135,140,18,7,4,3,9,0.57,3028 150,160,20,8,4,3,18,4.00,3131 207,225,22,8,4,2,16,2.22,5158 271,285,30,10,5,2,30,0.53,5702 89,90,10,5,3,1,43,0.30,2054 153,157,22,8,3,3,18,0.38,4127 87,90,16,7,3,1,50,0.65,1445 234,238,25,8,4,2,2,1.61,2087 106,116,20,8,4,1,13,0.22,2818 175,180,22,8,4,2,15,2.06,3917 165,170,17,8,4,2,33,0.46,2220 166,170,23,9,4,2,37,0.27,3498 136,140,19,7,3,1,22,0.63,3607 148,160,17,7,3,2,13,0.36,3648 151,153,19,8,4,2,24,0.34,3561 180,190,24,9,4,2,10,1.55,4681 293,305,26,8,4,3,6,0.46,7088 167,170,20,9,4,2,46,0.46,3482 190,193,22,9,5,2,37,0.48,3920 184,190,21,9,5,2,27,1.30,4162 157,165,20,8,4,2,7,0.30,3785 110,115,16,8,4,1,26,0.29,3103 135,145,18,7,4,1,35,0.43,3363 567,625,64,11,4,4,4,0.85,12192 180,185,20,8,4,2,11,1.00,3831 183,188,17,7,3,2,16,3.00,3564 185,193,20,9,3,2,56,6.49,3765 152,155,17,8,4,1,33,0.70,3361 148,153,13,6,3,2,22,0.39,3950...

7. What is the yardstick method? a. How does it work in general? b. Why is...

7. What is the yardstick method? a. How does it work in general? b. Why is this method not practical? Historically how have yardsticks worked?

Problem 9 - PYTHON There is a CSV-formatted file called olympics2.csv. Write code that creates a...

Problem 9 - PYTHON There is a CSV-formatted file called olympics2.csv. Write code that creates a dictionary named country_olympians where the keys are country names and the values are lists of unique olympians from that country (no olympian's name should appear more than once for a given country). Name,Sex,Age,Team,Event,Medal A Dijiang,M,24,China,Basketball,NA A Lamusi,M,23,China,Judo,NA Gunnar Nielsen Aaby,M,24,Denmark,Football,NA Edgar Lindenau Aabye,M,34,Sweden,Tug-Of-War,Gold Christine Jacoba Aaftink,F,21,Netherlands,Speed Skating,NA Christine Jacoba Aaftink,F,21,Netherlands,Speed Skating,NA Christine Jacoba Aaftink,F,25,Netherlands,Speed Skating,NA Christine Jacoba Aaftink,F,25,Netherlands,Speed Skating,NA Christine Jacoba Aaftink,F,27,Netherlands,Speed Skating,NA Christine...

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how to read a csv file in php and make a html table? I can't use...

how to read a csv file in php and make a html table? I can't use the PHP function fgetcsv. I can use explode. I can't put a php inside a php. Acme,Walmart,Ross,BJs,Target,Marshalls,Foot Locker,Giant,Charming Charlie 142,160,28,10,5,3,60,0.28,3167 175,180,18,8,4,1,12,0.43,4033 129,132,13,6,3,1,41,0.33,1471 138,140,17,7,3,1,22,0.46,3204 232,240,25,8,4,3,5,2.05,3613 135,140,18,7,4,3,9,0.57,3028 150,160,20,8,4,3,18,4.00,3131 207,225,22,8,4,2,16,2.22,5158 271,285,30,10,5,2,30,0.53,5702 89,90,10,5,3,1,43,0.30,2054 153,157,22,8,3,3,18,0.38,4127 87,90,16,7,3,1,50,0.65,1445 234,238,25,8,4,2,2,1.61,2087 106,116,20,8,4,1,13,0.22,2818 175,180,22,8,4,2,15,2.06,3917 165,170,17,8,4,2,33,0.46,2220 166,170,23,9,4,2,37,0.27,3498 136,140,19,7,3,1,22,0.63,3607 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Stores</title> <link rel="stylesheet" href="style.css"> </head> <body> <h1>Stores</h1> <?php <table> <tr> <th>Acme</th> <th>Walmart</th> <th>Ross</th> <th>BJs</th> <th>Target</th> <th>Marshalls</th> <th>Foot Locker</th>...

* readCsvFile() -- Read in a CSV File and return a list of entries in that...

* readCsvFile() -- Read in a CSV File and return a list of entries in that file. * @param filePath -- Path to file being read in. * @param classType -- Class of entries being read in. * @return -- List of entries being returned. */ public <T> List<T> readCsvFile(String filePath, Class<T> classType){ return null; } implement this class. Return a list of T type. dont worry about CSV format. Just assume...

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How do I write a C++ program to call a frequency table from a csv file,...

How do I write a C++ program to call a frequency table from a csv file, using vector? Data given is in a csv file. Below is part of the sample data. Student ID English Math Science 100000100 80 90 90 100000110 70 60 70 100000120 80 100 90 100000130 60 60 60 100000140 90 80 80

How to read the given structure from a random CSV file separated by commas(which contains no...

How to read the given structure from a random CSV file separated by commas(which contains no headers only the values of the contents of the structure) and then insert in a binary search tree using one of the structure contents as a key i.e. datetime and handle duplicates in binary search tree by implementing link_list.Please develop a C code for this. struct data{ char biker_id[200]; char distance_bike_travelled[200]; char datetime[200]; char count_tripr[200]; }

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