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Analyzing and Formatting PostgreSQL Sales Data

IntermediateSkill Level
4.8+
65 reviews
Updated 01/2025
Enhance your SQL Skills with hands-on data cleaning in PostgreSQL: perform analyses while working with incorrect data types and missing values.
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SQLData Manipulation1 hour1 Task1,500 XP

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Project Description

Analyzing and Formatting PostgreSQL Sales Data

Work with superstore data in PostgreSQL, reformatting and analyzing to answer some day-to-day retail business questions, like what are the top performing products, and how missing data can be imputed for quantity of products per order.

Analyzing and Formatting PostgreSQL Sales Data

Enhance your SQL Skills with hands-on data cleaning in PostgreSQL: perform analyses while working with incorrect data types and missing values.
Start Project for Free
  • 1

    Task 1

Don’t just take our word for it

*4.8
from 65 reviews
82%
17%
2%
0%
0%
  • Kenin
    about 17 hours

    This project help me a lot improving my SQL skills

  • Tatiana
    1 day

  • pablo
    2 days

  • Sharan
    2 days

  • Adam
    1 day

    Fun and practical project, only took away a star due to some confusing sections in the instructions. for example, the part where it instructed to calculate the unit price based on market, region, discount, and "other features" was a little ambiguous? I wasn't really sure how to use discount or how that figured in to the table. was the sales figure pre- or post- discount? I assumed post-. And I couldn't figure out how it would matter. Also I failed the first time because I had some extra columns in my table, which I did not realize would fail me.

  • XINYUE
    about 20 hours

    question 2 is hard to understand, maybe it should be for people with some basic understanding of sql

"This project help me a lot improving my SQL skills"

Kenin

Tatiana

pablo

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