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Learn to create more complex SQL Queries

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Writing Advanced SQL Queries on PostgreSQL

 

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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
     

 

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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

Learn to create more complex SQL Queries

Writing Advanced SQL Queries on PostgreSQL


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