Published 09/2022
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Genre: eLearning | Language: English | Duration: 6 lectures (35m) | Size: 223.3 MB
WINDOW FUNCTIONS ,RANK , DENSE_RANK, ROW_NUMBER
What you'll learn
DENSE_RANK which Ranks the current row within its partition without gaps.
They will also learn about ROW_NUMBER
They will also learn about RANK
We will have examples on the RANK,ROW_NUMBER & DENSE_RANK
Requirements
To complete this course you need some knowledge of sql Queries.
Description
We hope you enjoy your time here in this project-based seminar on PostgreSQL Window Functions for Analytics. This is a project that will teach users of POSTGRES how to use window functions to get information from a database, and it is designed to be done by hand.
You will walk away from this lesson having gained an understanding of how to apply a variety of window functions in order to extract the result you want from a database. You will learn how to modify data with PostgreSQL window methods like as ROW NUMBER(), RANK(), and DENSE RANK() through the course of working on this project (). In addition to that, we will discuss the application of aggregate window functions. In order to query this database, we will make use of these window functions in conjunction with the OVER() clause.
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
Getting Started
Database Set up
Ranking
ROW_NUMBER
DENSE_RANK
Students of all skill levels will find it simple and uncomplicated to understand and participate in the instruction. Invest in yourself and grow professionally by being familiar with Window Functions the use of straightforward examples that are presented in detail.
Who this course is for
Intermediate Data Analysts
Homepage
Code:
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