Changing data, not just reading it.
Complete all lessons to receive a personalised certificate of completion. Download the PDF or share your verification link to show proof of learning.
INSERT, UPDATE and DELETE, and the basics of transactions.
2 modules · 2 lessonsLocked
This is the planned outline — lessons open when the course launches.
Create a free account to enrol and track your progress.
Not quite right? Browse all SQL courses or tell us what you need →
OpenSigma
This is to certify that
Your Name
has successfully completed
Data Manipulation (DML)
Director of Training
Date issued
04 Aug 2026
Certificate ID
XXXX-XXXX-XXXX
Scan to verify
