I would recommend this SQL Certification by Intellipaat that covers the following concepts:
SQL architecture, client/server relation, and database types
Deploying several functions, operators, etc. for designing relational databases
Modifying data using T-SQL, views, and stored procedures
The concepts of trigger and the creation of triggers
Using records for searching, sorting, indexing, and grouping
Database administrators, types, and SQL Server tools and services
Backup and restoration of databases
Optimizing database objects, managing database concurrency, and ensuring data integrity
If you are interested to learn SQL, then sign up for this SQL 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: