PostgreSQL For Data Science And Data Analyst Online Certification in Karachi, Lahore, Islamabad, Pakistan, Dubai

PostgreSQL For Data Science And Data Analyst

SQL for data analysis refers to the database querying language’s ability to interact with multiple databases at once and its use of relational databases. SQL is one of the most commonly used and flexible languages.

In this course, you’ll learn how to read and write complex queries to a database using one of the most in-demand skills. These skills also apply to any other major SQL database, such as MySQL, Microsoft SQL Server, Amazon Redshift, Oracle, and much more.

Learning SQL is one of the fastest ways to improve your career prospects as it is one of the most in-demand tech skills! In this course, you’ll learn quickly and receive challenges and tests along the way to improve your understanding!

What you’ll learn

Write complex SQL statements to query the database and gain critical insight into the data
The transition from the Very Basics to a Point Where You can Effortlessly Work with Large SQL Queries
Learn Advanced Querying Techniques
Become a Master SQL Developer

Course Content:

Module1:Introduction

Course Overview

Module2: Database Basics:

What is a Database
How to Proceed in this Course
Install Postgres Database on Ma
Troubleshoot Connection
Install Postgres on Window
Create Table and Insert a Statement
Prepare the Database
Assignment 1: Create More Tables and Populate Data

Module3: SQL Query Basics

Filter Data Using the WHERE Clause + AND & OR
WHERE Clause and Operators
ORDER BY, LIMIT, DISTINCT and Renaming Columns
Assignment 2: Practice Writing Basic Queries (5 Problems)

Module4:Using Functions:

UPPER(), LOWER(), LENGTH() + Boolean Expressions & Concatenation
String Functions: SUBSTRING(), REPLACE()
Grouping Functions: MIN(), MAX(), AVG(), SUM(), COUNT()
Assignment 3: Practice with Functions, Conditional Expressions and Concatenation