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Saturday, February 20, 2021

Writing Advanced SQL Queries on PostgreSQL [Free 100% off premium Udemy course coupon code]

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Writing Advanced SQL Queries on PostgreSQL

Learn to create more complex SQL Queries

What you'll learn?

  • Write queries using various aggregate functions
  • Query tables
  • Connect o database
  • Write queries using various analytic functions
  • Download and install PostgreSQL
  • Load sample database
  • Extract data from multiple tables

Requirements and What you should know?

  • Basic understanding of database concepts
  • Basic understanding of SQL

Who is this course for?

  • Beginner DBA's
  • Anyone who wants to learn something new

What is this course about?

PostgreSQL is commonly known as Postgres and it is also  open source database. There is an increasing need for data scientists and analysts to understand relational data stores. Organizations have long used SQL databases to store transactional data as well as business intelligence related data. If you need to work with SQL databases, this course is designed to help you learn how to perform common relational database  advanced queries using various analytic and aggregate functions.

What you will learn includes:
Downloading and installing PostgreSQL
Querying tables 
Introduction to Aggregate Functions
Writing queries to perform various aggregate functions like: AVG, COUNT, SUM, MIN,MAX
Introduction to Analytic Functions
Illustrating various Analytic functions
Row Number Functions
Using various types of Operators
Introduction to Table Joins
Using various types of joins
Windowing functions for working with ordered data sets
Postgresql INNER JOIN
Retrieving all Data from Table
PostgreSQL Left Join

The course will teach you how to aggregate data,analyse data ,retrieve data from multiple tables using table joins and write more advanced queries.

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Saturday, February 20, 2021

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