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Introduction to SQL

4.6 out of 5 rating

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2 Days

12 CPD hours

About this course

This SQL training course is designed for students new to writing SQL queries.


Upon successful completion of this course, students will be able to: - Understand how relational databases work - Use SQL to output reports - Write queries to obtain data from multiple tables.


Students will learn SQL to build applications or to generate business reports.The SQL learned in the course is applicable to all major databases.

Relational Database Basics
  • Brief History of SQL
  • Relational Databases
  • Popular Databases
  • SQL Statements
Simple SELECTs
  • Introduction to the Northwind Database
  • Some Basics
  • SELECTing All Columns in All Rows
  • Exploring the Tables
  • SELECTing Specific Columns
  • Sorting Records
  • The WHERE Clause and Operator Symbols
  • Using the WHERE clause to check for equality or inequality
  • Using the WHERE clause to check for greater or less than
  • Checking for NULL
  • Using WHERE and ORDER BY Together
  • The WHERE Clause and Operator Words
  • More SELECTs with WHERE
  • Checking Multiple Conditions
  • Writing SELECTs with Multiple Conditions
Advanced SELECTs
  • Calculated Fields
  • Calculating Fields
  • Aggregate Functions and Grouping
  • Working with Aggregate Functions
  • Built-in Data Manipulation Functions
  • Data Manipulation Functions
Subqueries, Joins and Unions
  • Subqueries
  • Joins
  • Using Joins
  • Outer Joins
  • Unions
  • Working with Unions
If time allows, one or more of the following may be covered:
  • Conditional Processing with CASE
  • Student Challenges - Design your own reports
Additional course details:

Nexus Humans Introduction to SQL training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward.

This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts.

Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success.

While we feel this is the best course for the Introduction to SQL course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you.

Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Training Insurance Included!

When you organise training, we understand that there is a risk that some people may fall ill, become unavailable. To mitigate the risk we include training insurance for each delegate enrolled on our public schedule, they are welcome to sit on the same Public class within 6 months at no charge, if the case arises.

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