Typical SQL Certification validates your knowledge in SQL, relational databases, queries, subqueries, joins, and unions. SQL Certification covers the topics on theory of optimization, transactions, indexing, installing SQL Server, database administration, clustering, programmability objects, designing and implementing database objects, managing database concurrency, and optimizing SQL infrastructure and database objects.
If you are interested to learn SQL, then sign up for this SQL Training course by Intellipaat that provides self-paced videos, instructor-led training, and also certification along with hands-on experience.
Also, watch this video on SQL Certification Training to understand more: