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PostgreSQL Summary Stats and Window Functions

Intermediate
4.7+
1,818 reviews
Updated 05/2025
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 XP97,864Statement 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

*4.7
from 1,818 reviews
80%
18%
2%
0%
0%
  • Bojan
    22 minutes

  • linkedin.com/in/bryangalindo
    about 1 hour

  • Win Naing
    about 10 hours

    GREAT

  • Sean
    about 3 hours

  • Enes
    about 6 hours

    Generally a good course for learning Windows functions, but the problem is that there are too many introduced at once, and some are only mentioned briefly, making them easy to forget.

  • John Laurence
    about 6 hours

Bojan

linkedin.com/in/bryangalindo

"GREAT"

Win Naing

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