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Data Cleaning in Snowflake: Techniques to Clean Messy Data
Coursera Project Network

Data Cleaning in Snowflake: Techniques to Clean Messy Data

Taught in English

Mohamed Touiti

Instructor: Mohamed Touiti

Included with Coursera Plus

Guided Project

Learn, practice, and apply job-ready skills with expert guidance

Intermediate level

Recommended experience

2.5
Learn at your own pace
No downloads or installation required
Only available on desktop
Hands-on learning

What you'll learn

  • Use Snowflake UI to identify data quality issues then use SQL String functions to remove unwanted characters and split rows into multiple columns.

  • Extract dates from Text fields then use SQL date functions for comparisons and calculations.

  • Identify and correct missing and duplicated data and answer business questions using aggregation statements.

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Guided Project

Learn, practice, and apply job-ready skills with expert guidance

Intermediate level

Recommended experience

2.5
Learn at your own pace
No downloads or installation required
Only available on desktop
Hands-on learning

See how employees at top companies are mastering in-demand skills

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Learn, practice, and apply job-ready skills in less than 2 hours

  • Receive training from industry experts
  • Gain hands-on experience solving real-world job tasks
  • Build confidence using the latest tools and technologies
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About this Guided Project

Learn step-by-step

In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:

  1. Project Scenario & Data Loading

  2. Investigate Data Quality issues

  3. Remove Unwanted Characters

  4. Extract First and Last Name from "Name" Column

  5. Standarize Phone Column

  6. Extract Date from a Text Column

  7. Add new computed column “Days Since Last Transaction”

  8. Calculate Customers’ Age

  9. Dealing with missing Values

  10. Eliminate Duplications

  11. Export the list of Inactive Customers

  12. Cumulative Challenge

Recommended experience

Learners should have basic knowledge of Snowflake Platform and beginners skills in writing SQL including SELECT, INSERT, GROUP BY, window functions

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Instructor

Mohamed Touiti
Coursera Project Network
4 Courses4,617 learners

Offered by

How you'll learn

  • Skill-based, hands-on learning

    Practice new skills by completing job-related tasks.

  • Expert guidance

    Follow along with pre-recorded videos from experts using a unique side-by-side interface.

  • No downloads or installation required

    Access the tools and resources you need in a pre-configured cloud workspace.

  • Available only on desktop

    This Guided Project is designed for laptops or desktop computers with a reliable Internet connection, not mobile devices.

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