Overview of Course

Our Querying PostgreSQL Databases course is designed to help you master the art of querying databases using PostgreSQL. In this course, you will learn how to write complex SQL queries, optimize query performance, and effectively manage your PostgreSQL databases.

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Course Highlights

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Learn how to write complex SQL queries

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Understand how to optimize query performance

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Discover the best practices for managing PostgreSQL databases

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Skills You’ll Learn


Writing SQL queries


Query optimization


Database management


Data analysis



Training Options

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1-on-1 Training

USD 600 / INR 50000
  • Option Item Access to live online classes
  • Option Item Flexible schedule including weekends
  • Option Item Hands-on exercises with virtual labs
  • Option Item Session recordings and learning courseware included
  • Option Item 24X7 learner support and assistance
  • Option Item Book a free demo before you commit!
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On Request
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  • Option Item Custom Curriculum
  • Option Item Extended access to virtual labs
  • Option Item Detailed reporting of every candidate
  • Option Item Projects and assessments
  • Option Item Consulting Support
  • Option Item Training aligned to business outcomes
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Course Reviews


  • Overview
  • History
  • PostgreSQL Internals

  • Writing SQL Queries
  • Structure of SQL Queries

  • Understanding Data Types in PostgreSQL
  • Numeric Data Types
  • Character Data Types
  • Date and Time Data Types
  • Boolean Data Type
  • Arrays and Composite Data Types

  • Introduction to Built-in Functions in PostgreSQL
  • String Functions
  • Numeric Functions
  • Date and Time Functions
  • Conversion Functions
  • Conditional Expressions


  • Basic SELECT Statements
  • Filtering Data with WHERE Clause
  • Sorting Data with ORDER BY Clause
  • Limiting and Offsetting Data
  • Advanced Filtering with Logical Operators

  • Implicit and Explicit Type Conversions
  • Comparison and Logical Operators
  • Arithmetic Operators
  • Bitwise Operators
  • Text Search Operators

  • Introduction to Joins in PostgreSQL
  • Inner Join
  • Left Outer Join
  • Right Outer Join
  • Full Outer Join
  • Cross Join

  • Grouping Data with GROUP BY Clause
  • Aggregating Data with Aggregate Functions
  • Filtering Groups with HAVING Clause
  • Grouping Sets, ROLLUP, and CUBE

  • Introduction to Window Functions in PostgreSQL
  • Syntax and Basic Usage of Window Functions
  • Ranking Functions
  • Aggregate Functions with OVER Clause
  • Analytic Functions with PARTITION BY Clause

  • Working with Views, Sub Query Expressions and Common Table Expressions
  • Introduction to Views in PostgreSQL
  • Creating and Managing Views
  • Subqueries and Subquery Expressions
  • Common Table Expressions (CTE)
  • Recursive CTE

  • User-Defined Functions in PostgreSQL
  • Creating Functions with CREATE FUNCTION Statement
  • Function Parameters and Return Types
  • Managing and Dropping Functions
  • Function Overloading and Polymorphism

  • Introduction to PostgreSQL Metadata
  • Querying Database Objects with Information Schema
  • Retrieving Database and Server Settings
  • Accessing System Catalogs
  • Querying with pgAdmin III

  • Introduction to Data Manipulation Language (DML)
  • Inserting Data into Tables
  • Updating and Deleting Data
  • Managing Transactions
  • Locking and Concurrency Control

  • Understanding Indexes in PostgreSQL
  • Creating and Managing Indexes
  • Types of Indexes
  • Introduction to Collations and Character Sets
  • Using Collations in PostgreSQL


  • Introduction to pgAdmin III
  • Installation and Configuration of pgAdmin III
  • Connecting to PostgreSQL Server with pgAdmin III
  • Managing Database Objects with pgAdmin III
  • Querying and Analyzing Data with pgAdmin III
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Inquiry for :


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Target Audience:

  • Database Administrators
  • Data Analysts
  • Software Developers
  • Business Analysts
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  • Basic understanding of SQL syntax
  • Familiarity with relational databases
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Benefits of the course:

  • Gain expertise in querying PostgreSQL databases
  • Acquire in-demand skills for database management and analysis
  • Receive hands-on training with real-world examples
  • Learn from industry professionals with extensive experience in PostgreSQL
  • Increase your earning potential with new skills and knowledge
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Exam details to pass the course:

  • There is no exam to pass this course.
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Certification path:

  • PostgreSQL certification offered by the PostgreSQL Global Development Group is recommended for further specialization.
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Career options after doing the course:

  • Database Administrator
  • Data Analyst
  • Software Developer
  • Business Analyst
  • Data Engineer

Why should you take this course from Skillzcafe:

Why should you take this course from Skillzcafe:
  • Bullet Icon Expert instructors with real-world experience
  • Bullet Icon Hands-on training with practical examples
  • Bullet Icon Comprehensive curriculum covering all aspects of querying PostgreSQL databases
  • Bullet Icon Flexible learning options with both online and offline modes
  • Bullet Icon Certificate of completion upon finishing the course


Basic knowledge of SQL and familiarity with relational databases is recommended.

Yes, this course is designed for both beginners and intermediate-level professionals.

Yes, you will have lifetime access to the course material.

This course is available online. 

Yes, you will receive a certificate of completion upon finishing the course.

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