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Data Manipulation in SQL

Beginner
4.4+
202 reviews
Updated 01/2025
Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.
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SQLData Manipulation4 hours15 videos55 exercises4,700 XP250,522Statement of Accomplishment

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Course Description

So you've learned how to aggregate and join data from tables in your database—now what? How do you manipulate, transform, and make the most sense of your data? This intermediate-level course will teach you several key functions necessary to wrangle, filter, and categorize information in a relational database, expand your SQL toolkit, and answer complex questions. You will learn the robust use of CASE statements, subqueries, and window functions—all while discovering some interesting facts about soccer using the European Soccer Database.

Prerequisites

Joining Data in SQL
1

We'll take the CASE

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2

Short and Simple Subqueries

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3

Correlated Queries, Nested Queries, and Common Table Expressions

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4

Window Functions

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Data Manipulation in SQL
Course
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Don’t just take our word for it

*4.4
from 202 reviews
70%
14%
12%
3%
1%
  • Jackie R.
    15 days

    If you don't code daily and have a strong mastery of basic syntax, you're going to have a hard time. Thank goodness for XP, lol! I needed a lot of hints, but keep in mind that I only have to code about once every few weeks, and even then I don't have to start from scratch. ;) Also, I use SSMS which is just different enough for an infrequent coder to make ridiculous errors. Really good course though and I'd probably take it again if my job responsibilities increased to the point where I needed the knowledge in regular practice.

  • Camilo R.
    23 days

    Excelente

  • Aneury M.
    26 days

    Good chapter, I really learned a lot.

  • Ashwani S.
    30 days

    the course has great content

  • Michael K.
    about 1 month

    Great course to learn very useful SQL techniques.

"Excelente"

Camilo R.

"Good chapter, I really learned a lot."

Aneury M.

"the course has great content"

Ashwani S.

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