Writing Advanced SQL Queries on PostgreSQL : Learn to create more complex SQL Queries

Discussion in 'Free Courses - Promo Codes & Deals' started by admin, Feb 21, 2021.

    
  1. admin

    admin Administrator Staff Member


    What you’ll learn

    • Query tables
    • Write queries using various aggregate functions
    • Write queries using various analytic functions
    • Download and install PostgreSQL
    • Load sample database
    • Connect o database
    • Extract data from multiple tables
    • Requirements
      • Basic understanding of database concepts
      • Basic understanding of SQL
      Description


      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 FULL OUTER JOIN
      PostgreSQL CROSS JOIN
      PostgreSQL NATURAL JOIN
      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.

      Who this course is for:
      • Beginner DBA’s
      • Anyone who wants to learn something new

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