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wk2 - 09.29.22 1st Project in MySQL

Posted: Fri Sep 16, 2022 7:47 am
by glegrady
9.29.22 1st Project in MySQL

Post 4 to 6 MySQL queries with the data in csv format and a description of why you chose these queries

Re: wk2 - 09.29.22 MySQL queries studies

Posted: Mon Oct 03, 2022 1:57 pm
by shaokang
Codes and analysis are in this PDF
Assignment 01 Shaokang.pdf
(440.03 KiB) Downloaded 472 times
1.Find the single longest and shortest borrow time
2.What’s the number of books of different dewey classes (Items of same bibNumber count once) ?
3.What’s the number of items of different dewey classes (Items of same bibNumber count multiple times according to their number of copies)?
4.Which book have the most number of copies? (Top 10)

Queries Files: https://drive.google.com/file/d/1OPdsjA ... sp=sharing

Q1 results:
longestBorrowDate (contaminated).csv
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longestBorrowDate.csv
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shortestBorrowDate.csv
(714 Bytes) Downloaded 441 times
Q2 result:
mostPopularClassByBookNumber.csv
(927 Bytes) Downloaded 439 times
Q3 results:
mostPopularClassByItemNumber.csv
(937 Bytes) Downloaded 452 times
leastPopularClassByItemNumber.csv
(618 Bytes) Downloaded 454 times
leastPopularBigClassByItemNumber.csv
(104 Bytes) Downloaded 459 times
Q4 results:
booksWithMostCopies.csv
(128 Bytes) Downloaded 433 times

Re: wk2 - 09.29.22 MySQL queries studies

Posted: Mon Oct 03, 2022 11:38 pm
by nataliadubon
Link to document displaying my code and results:
** Copyable queries are located at the BOTTOM/END of the document**
https://docs.google.com/document/d/1854 ... sp=sharing

I decided to base all of my queries this week on October and horror tagged mediums.


CVS files attached:

Re: wk2 - 09.29.22 MySQL queries studies

Posted: Tue Oct 04, 2022 11:22 am
by ilianikiforov
Just a few exploratory queries out of general interest:
1. Interest in data science books over time
2. Interest in math books over time
3. Did people boycott J.K. Rowling's books following her Twitter scandal?
4. Does interest in political science books rise during election years?

Re: wk2 - 09.29.22 MySQL queries studies

Posted: Tue Oct 04, 2022 11:37 am
by briannagriffin
My reasoning and SQL code are located on the below PDF:
Week 2 Assignment - SQL Queries.pdf
(57.31 KiB) Downloaded 469 times
Here are the CSV output files:
Query1.csv
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Query2.csv
(243 Bytes) Downloaded 429 times
Query3A.csv
(1.46 KiB) Downloaded 456 times
Query3B.csv
(1.46 KiB) Downloaded 475 times
Query4.csv
(1.37 KiB) Downloaded 460 times