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Added logical data model at the top and bottom of the md file for product and customer_purchases tables
Completed queries requested
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homework_2.sql submitted on same branch. Please review. |
updated sql file by adding queries to the questions.
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homework_3.sql submitted on same branch. @amanda-ng518 - please review homework two and three solution provided. Please also comment here if I am submitting homework two and three correctly by using the same pull request? Thank you :) |
Downloaded updated homework sql files
Completed answers to all the questions
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Homework_4.sql completed. @amanda-ng518 |
Completed code solutions for questions. Not able to complete the last question, Too hard :(
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Homework_5.sql completed. I can't do the last question. Too hard! @amanda-ng518 |
Reflected on my previous work and how I would adjust to include ethics and inequity components
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Homework_6.md completed. @amanda-ng518 |
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HW5: 8/8
INSERT Q2 missing SELECT, FROM and WHERE statements
UPDATE Q1
ALTER TABLE product_units
ADD current_quantity INT;
UPDATE product_units
SET current_quantity = (
SELECT current_quantity
FROM (
SELECT p.product_id, COALESCE(quantity,0) as current_quantity
FROM product_units p
LEFT JOIN (
SELECT *
,ROW_NUMBER() OVER( PARTITION BY vi.product_id ORDER BY market_date DESC) AS rn
FROM vendor_inventory vi
) vi ON p.product_id = vi.product_id
WHERE rn = 1
OR rn IS NULL
) p
WHERE product_units.product_id = p.product_id);
2 participants
Added logical data model at the top and bottom of the md file for product and customer_purchases tables
What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)
Added logical data model at the top and bottom of the md file for product and customer_purchases tables. Wasn't sure exactly where to put it in the file :)
What did you learn from the changes you have made?
how to build a logical data model from reviewing the table and content files on BD browser
Was there another approach you were thinking about making? If so, what approach(es) were you thinking of?
Used microsoft products to build model. Was considering Draw and Lucid
Were there any challenges? If so, what issue(s) did you face? How did you overcome it?
No
How were these changes tested?
Tried it in incognito mode to make sure the photo opened up for public
A reference to a related issue in your repository (if applicable)
NA
Checklist
[X ] I can confirm that my changes are working as intended