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PostgreSQL Summary Stats and Window Functions

Intermediate
4.3+
84 reviews
Updated 01/2025
Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!
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SQLProgramming4 hours12 videos44 exercises3,550 XP88,818Statement of Accomplishment

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Course Description

Have you ever wondered how data professionals use SQL to solve real-world business problems, like generating rankings, calculating moving averages and running totals, deduplicating data, or performing time intelligence? If you already know how to select, filter, order, join and group data with SQL, this course is your next step. By the end, you will be writing queries like a pro! You will learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon! Using flights data, you will discover how simple it is to use window functions, and how flexible and efficient they are.

Prerequisites

Data Manipulation in SQL
1

Introduction to window functions

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2

Fetching, ranking, and paging

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3

Aggregate window functions and frames

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4

Beyond window functions

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PostgreSQL Summary Stats and Window Functions
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Don’t just take our word for it

*4.3
from 84 reviews
61%
21%
12%
5%
1%
  • joel h.
    1 day

    .

  • SEYED N.
    about 2 months

    Everythings very smooth and you can practice as you go.

  • Karthika M.
    2 months

    Wonderful course and easy to understand and remember the dataset

  • Jose A.
    3 months

    Awesome

  • Tatiana U.
    3 months

    I like it.

"."

joel h.

"Everythings very smooth and you can practice as you go."

SEYED N.

"Wonderful course and easy to understand and remember the dataset"

Karthika M.

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