Certified PostgreSQL Professional

A PostgreSQL professional works on the PostgreSQL software. It is a free and open-source relational database management system emphasizing extensibility and technical standards compliance. To add on, it is designed to handle a range of workloads, from single machines to data warehouses or Web services with many concurrent users. With the Vskills Certification, you will be able to develop all the relevant skills and knowledge required to become a successful certified PostgreSQL Professional.

Vskills Certified PostgreSQL Professional

The Vskills Certified PostgreSQL Professional can help candidate differentiate in today’s competitive job market, broaden their employment opportunities by displaying their advanced skills, and result in higher earning potential. Also, this course is intended for professionals and graduates wanting to excel in their chosen areas. It is also well suited for those who are already working and would like to take certification for further career progression.

Benefits of the Certification

• Job seekers looking to find employment in the database, software development, or IT departments of various companies, students generally wanting to improve their skill set and make their CV stronger, and existing employees looking for a better role can prove to their employers the value of their skills through this certification.
• With this certification, you will be able to get job opportunities in big companies such as Google, Flipkart, TCS & Cognizant.

Vskills being India’s largest certification provider gives candidates access to top exams as well as provides after exam benefits. This includes:

• Become a Government Certified Professional.
• The Certification is valid for life.
• Candidates will get lifelong e-learning access.
• Access to free Practice Tests.

Test Details

• Exam Duration: 60 minutes
• Number  of questions: 50
• Maximum marks: 50
• Passing marks: 25 (50%).
• There is NO negative marking in this module
• It is an online examination

Course outline

The Vskills Certified PostgreSQL Professional covers the following topics:

PostgreSQL Basics

• Understanding PostgreSQL and Its Uses
• Download and Install PostgreSQL Client pgAdmin
• Setup a Practice Database Using Referenced .tar File
• Create Database, Table, Insert, and Query Data – Part 1
• Create Database, Table, Insert, and Query Data – Part 2
• PostgreSQL Relationships Using What’s Called a Primary Key and Foreign Key

PostgreSQL Data Retrieval

• Introduction to the SELECT Statement to Retrieve Rows of Data
• Introduction to the SELECT DISTINCT Statement
• SELECT Statement with WHERE Clause
• Insert Data into Tables, Update, and Delete Rows

Count Rows in PostgreSQL

• Count All Rows Using the COUNT Function
• Use COUNT with the DISTINCT Clause
• Order Query Results with the ORDER BY Clause
• Using ORDER BY with ASC and DESC Modifiers

PostgreSQL Conditional Clauses

• Query Rows of Data Using the BETWEEN Operator
• Introduction to NOT BETWEEN
• Search for a Specified Pattern in a Column Using the LIKE Operator
• Match a Value to a List of Values with the IN Operator

PostgreSQL Mathematical Operations

• Using MIN and MAX Functions
• Using MIN and MAX with the ROUND Function
• Using the AVG and SUM Functions
• Using AVG and SUM with the ROUND Function

Using Joins in PostgreSQL

• Group Data with the GROUP BY Clause
• The HAVING Clause
• PostgreSQL Aliases and the LIMIT Clause
• Exploring Inner Joins
• Exploring Outer Joins

PostgreSQL Datatypes and Table Constraints

• Common PostgreSQL Datatypes
• Common PostgreSQL Constraints
• Advanced Administration of Your Database with ALTER TABLE

Preparation Guide for Vskills Certified PostgreSQL Professional

This Preparatory Guide will act as a bridge for your career advancements. Our team has curated this guide in a step-by-step manner to move forward with your preparation. Let’s discuss step by step-

Exam Objectives

Before moving towards your preparation for the examination, it is important to get yourself familiar with the main objectives of the exam. Also, for the Vskills Certified PostgreSQL Professional, the exam topics to refer to are:

• PostgreSQL Basics
• PostgreSQL Data Retrieval
• Count Rows in PostgreSQL
• PostgreSQL Conditional Clauses
• PostgreSQL Mathematical Operations
• Using Joins in PostgreSQL
• PostgreSQL Datatypes and Table Constraints

Vskills E-Learning

For the Vskills Certified PostgreSQL Professional examination, our team has provided online study material. Also, this online material is regularly updated. Furthermore, e-learning is bundled with hard copy material which helps candidates to improve. These E-Learning and Study Materials provide you lifetime accessibility.

Reference Books

Most important of all, you can find real-time examples of the different concepts you learn for this certification exam. For this examination you can refer to:

• PostgreSQL Developer’s Guide by Ibrar Ahmed and Asif Fayyaz
• PostgreSQL: Up & Running – A Practical Guide to the Advanced Open Source Database, Third Edition by Regina Obe and Leo Hsu 

Evaluate yourself with Practice Test

Practicing sample test will help you analyze your weak areas and strengths. Moreover, you will be able to improve your answering skills that will result in saving a lot of time. So, make sure to find the best practice sources. To add on, they provide you with self-evaluation of your own preparations and help you in strengthening your domains. Solving Practice tests can provide you with the confidence you need to be stress-free.