Access courses

SQL Crash Course

What will I learn?

Unlock the power of data with our SQL Crash Course, tailored for technology professionals in Ireland keen on boosting their database skills. Delve into SQL best practices, guaranteeing data integrity and crafting efficient queries. Master advanced techniques like joining tables and using aggregate functions. Learn to manipulate data with SELECT, INSERT, and UPDATE commands, and hone your skills in filtering, sorting, and data definition. This concise, high-quality course empowers you to handle data import/export seamlessly, turning you into an SQL expert in no time at all.

Apoia's Advantages

Online and lifetime access to courses
Certificate aligned with educational standards
Printable PDF summaries
Online support always available
Select and arrange the chapters you'd like to study
Set your own course workload
Instant feedback on practical activities
Study at your convenience, no internet required

Develop skills

Strengthen the development of the practical skills listed below

Master SQL syntax: Write clear, efficient queries for data retrieval and manipulation, like a pro.

Ensure data integrity: Implement best practices to maintain accurate, reliable databases

vital for any serious data work.

Optimise query performance: Learn techniques to write fast, efficient SQL queries, saving you time and resources.

Advanced data handling: Use joins, GROUP BY, and aggregate functions for complex analysis

perfect for tackling tricky data problems.

Manage data structures: Create, modify, and optimise tables with DDL commands

essential for building and maintaining robust databases.

Suggested summary

Workload: between 4 and 360 hours

Before starting, you can change the chapters and the workload.

  • Choose which chapter to start with
  • Add or remove chapters
  • Increase or decrease the course workload

Examples of chapters you can add

You will be able to generate more chapters like the examples below

This is a free course, focused on personal and professional development. It is not equivalent to a technical, undergraduate, or postgraduate course, but offers practical and relevant knowledge for your professional journey.